About Noyyal River:

• It is a tributary of the Kaveri River and flows through Tamil Nadu.
• Course:
  • It begins from numerous small streams in the Vellingiri Hills of the Western Ghats.
  • It flows through the districts of Coimbatore, Tirupur, and Erode and meets the Cauvery River at the Noyyal village in Karur District.
• It is a seasonal river with rapid flows during the monsoon
• Most of these check dams and anicuts were constructed by the Chola Kings, who ruled the region in the 9th to 12th centuries to augment irrigation and control floods downstream.
• Until the early 20th century, the Noyyal was the main drinking water source for the region.

About  Nahargarh Wildlife Sanctuary:

• It is located in Rajasthan, in the Aravalli range.
• The sanctuary is named after Nahargarh Fort, a historic fort built in the 18th century by Maharaja Sawai Jai Singh II, the founder of Jaipur.
• It connects ecologically with other forest areas like the Ranthambore Tiger Reserve.
• Within the sanctuary is the Nahargarh Biological Park.
• Flora: The sanctuary features a rugged terrain with hills, valleys, seasonal streams, and dry deciduous forests typical of the semi-arid region, including trees such as dhok, babool, khejri, and ber.
• Fauna:
  • Common species include leopards, wild boars, deer, lions, tigers, sloth bears, and several small mammals.
  • It’s a haven for bird watchers, with a variety of species, including peacocks, owls, and eagles.
  • It is also home to reptiles like Indian rock pythons, monitor lizards, and amphibians like frogs and toads.

About Theridion Himalayana:

• It is a new species of ‘happy-face spider’ belongs to the ‘Theridiidae’ family.
• It was discovered in western Himalayas of India.
• Features
  • It is polymorphic in both sexes and has 32 different morphs that exhibit patterns of a smiling face with dots in colours of red, black and white arranged differently.
  • It could also be a crucial pollinator for some plants

About Tapir:

• Tapirs are large herbivorous mammals.
• They are often called “living fossils” due to their lineage dating back millions of years.
• Appearance: They have short, flexible snout, tapirs use it to grab leaves and fruits.
• They are excellent swimmers and spend a lot of time in water.
• Diet: They’re herbivores and fifty per cent of their diet consists of fruit.
• Distribution: They inhabit jungle and forest regions of South America, Central America, and Southeast Asia. 
• There are only four species of tapirs. They live in distinct geographical areas.
  • Malayan Tapir: It is the largest of the tapirs which is native to Southeast Asia. Its black-and-white stripes help it blend into the forest. (IUCN Status: Endangered)
  • Baird’s Tapir: It is Central America's biggest land mammal. It is found in tropical forests and around water. (IUCN Status: Endangered)
  • Lowland Tapir: The South American tapir is the most widespread. It is found in the Amazon Basin and other areas. (IUCN Status: Vulnerable)
  • Mountain Tapir: It is the rarest and found in the high Andes. (IUCN Status: Endangered)
• Ecological Role: They form an important part of the ecosystem as seed dispersers.

About Organisation of the Petroleum Exporting Countries:

• It is a permanent intergovernmental organization of oil-exporting countries.
• It was established in 1960 by the five founding members Iran, Iraq, Kuwait, Saudi Arabia, and Venezuela. 
• Objective: Its primary objective is to stabilize global oil markets and ensure fair prices for producers along with a steady supply for consumers.
• Member countries: Currently, it has 12 members, including Algeria, Congo, Equatorial Guinea, Gabon, Libya, Nigeria, and the United Arab Emirates (Decided to quit from May 1 2026).
• Headquarters: Vienna, Austria.
• OPEC members collectively hold more than 75–80% of the world’s proven crude oil reserves.
• The organization produces around 35–40% of the world’s total crude oil supply.
• OPEC plays a crucial role in influencing global oil prices by adjusting production levels.

What is OPEC+?

• It is an extension of the Organization of the Petroleum Exporting Countries formed in 2016.
• It consists of 22 oil-exporting countries which meet regularly to decide how much crude oil to sell on the world market.
• Members of OPEC+: It comprises 12 OPEC countries plus Azerbaijan, Bahrain, Brunei, Kazakhstan, Russia, Mexico, Malaysia, South Sudan, Sudan, and Oman.
• These nations aim to work together on adjusting crude oil production to bring stability to the oil market.

About Atacama Desert:

• Location: It is the driest desert in the world, located in northern Chile.
• It is nestled between the Andes Mountains on the east and the Pacific Ocean on the west.
• Bordered by: It is bordered by Argentina, Peru, and Bolivia
• It also hosts 12 volcanoes, mainly located in the western outliers of the Andes.
• Rainfall: Average rainfall in this region is about 1 mm per year. Some locations within the desert have never had any rainfall whatsoever.
• Temperature: Temperatures are comparatively mild throughout the year. The average temperature in the desert is about 63 degrees F (18 degrees C).
• Natural Resources: This region has the largest natural supply of Sodium Nitrate, which can be used for producing fertilizers and explosives, amongst other things. 
• Chinchorro Mummies: The oldest artificially mummified human remains have been found in the Atacama Desert.

About Somalia:

• It is an African country located in the Horn of Africa.
• The Equator passes through southern Somalia.
• Bordering Countries: It is bordered by Djibouti (Northwest), Ethiopia (West), and Kenya (Southwest). 
• Maritime Borders: The Gulf of Aden and Indian Ocean
• Capital city: Mogadishu
• Geographical Features of Somalia:
  • Climate: It has an arid or semiarid climate, and there is little seasonal change in temperature.
  • Relief: The Somali peninsula consists mainly of a tableland of young limestone and sandstone formations.
  • In the extreme north, along the Gulf of Aden, is a narrow coastal plain called the Guban.
  • Rivers: Jubba and the Shabeelle
  • Highest Peak: Highest point Somalia is Mount Shimbiris
  • Natural Resources: It mainly consists of iron ore, uranium, copper, tin, bauxite, gypsum, salt

Why in news?

Indonesia has announced the rollout of B50 biofuel, a blend of 50% palm oil-based biodiesel and 50% diesel, amid rising global oil prices due to the Iran war. The move is expected to increase domestic use of palm oil in Indonesia, reducing exports.

For India, a major importer of Indonesian palm oil, this could lead to tighter supply and higher cooking oil prices, linking global energy policy shifts directly to domestic food inflation.

What’s in Today’s Article?

• Drivers Behind Indonesia’s B50 Biofuel Push
• Impact of Indonesia’s B50 Policy on Global Vegetable Oil Markets
• Why India Imports Large Volumes of Vegetable Oils?
• Palm Oil Biodiesel and Climate Impact: A Mixed Outcome

Drivers Behind Indonesia’s B50 Biofuel Push

• Indonesia’s move toward B50 biofuel is largely driven by its need to cut crude oil imports, which stood at about $7.8 billion in 2025.
• By substituting diesel with palm oil-based biodiesel, the country aims to improve energy security, especially as global oil prices surge beyond $100 per barrel amid geopolitical tensions.
• Expanding Biofuel Strategy Beyond Road Transport
  • The policy also aligns with Indonesia’s broader clean energy roadmap, including plans to introduce Sustainable Aviation Fuel (SAF) from 2027.
  • Major airports are expected to adopt aviation fuel blended with around 1% SAF, signalling a gradual expansion of biofuels into aviation.
  • The B50 initiative contributes to emissions reduction efforts and promotes alternative fuels, positioning Indonesia as a regional leader in green energy transition.
• Supporting Domestic Palm Oil Industry
  • Increasing domestic consumption of palm oil helps absorb surplus production, especially as export markets tighten due to regulations such as those in the European Union targeting deforestation-linked imports.
  • This ensures price stability and support for local producers.

Impact of Indonesia’s B50 Policy on Global Vegetable Oil Markets

• Indonesia’s shift toward the B50 programme is expected to divert a significant portion of palm oil from exports to domestic biodiesel use.
• Since Indonesia accounts for nearly half of global palm oil exports, this reallocation will tighten global supply, leading to higher international palm oil prices.
• Implications for India as a Major Importer
  • For India, the impact is substantial. India imports around $8.5 billion worth of palm oil, with over 50% sourced from Indonesia.
  • Given its widespread use in cooking, food processing, and industries like soaps and oleochemicals, supply constraints are likely to increase import costs, resulting in:
    • Higher household expenditure
    • Rising food inflation
    • Increased input costs for industries, potentially pushing up final product prices
• Limited Substitution Options
• India can attempt to diversify imports toward alternatives like sunflower oil (from Russia and Ukraine) and soybean oil (from Argentina and Brazil).
• However, these options are:
  • More expensive
  • Available in smaller volumes
  • Linked to longer and riskier supply chains
• This limits India’s ability to fully offset the palm oil shortage.
• Potential Upside for Domestic Sector
  • Higher global prices may encourage greater domestic oilseed production, benefiting farmers through better price realisation and strengthening India’s edible oil value chain over time.

Why India Imports Large Volumes of Vegetable Oils?

• India imports large quantities of vegetable oils because domestic demand far exceeds supply, driven by population growth and rising consumption.
• A key structural issue is low productivity of oilseeds, with yields per hectare below global standards.
• In addition, the policy environment—especially Minimum Support Price (MSP) incentives—has historically favoured cereals like wheat and rice, leading to lower acreage and investment in oilseed cultivation.
• Alternatives to Palm Oil in the Indian Market
  • The main alternatives to palm oil include sunflower oil and soybean oil. However, these are:
    • More expensive than palm oil
    • Imported from distant regions such as Russia, Ukraine, Argentina, and Brazil
    • Associated with longer and riskier supply chains
• Domestic Option: Mustard Oil
  • Mustard oil, produced within India, serves as a domestic alternative but has limited scalability and is largely consumed in specific regions, restricting its nationwide substitution potential.

Palm Oil Biodiesel and Climate Impact: A Mixed Outcome

• Palm oil–based biodiesel can be environmentally beneficial if it relies on existing plantations and productivity gains, rather than expanding cultivation.
• In countries like Indonesia, where large plantations and high yields already exist, programmes like B50 can remain closer to climate-positive outcomes—provided deforestation is avoided and sustainability standards are enforced.
• However, if biodiesel expansion leads to clearing forests or converting carbon-rich land, the resulting emissions can offset or even exceed the benefits of replacing fossil fuels.
• In such cases, the policy risks undermining climate goals rather than supporting them.
• India’s Constraints and Trade-offs
  • For India, the situation is more complex. Lower agricultural productivity means scaling up biofuel feedstock may require diverting food crops or expanding farmland, raising concerns about food security, land use, and resource stress.
  • This makes biofuel expansion less automatically climate-friendly.

Why in news?

The United Arab Emirates has announced its exit from Organization of the Petroleum Exporting Countries (OPEC) and the wider OPEC+ alliance, effective May 1. The decision is linked to Abu Dhabi’s long-term economic strategy, though it comes amid major disruptions in global oil markets triggered by the US-Iran conflict.

After more than five decades in the grouping, the move signals a significant shift in global energy dynamics, raising questions about its impact on oil supply, pricing, and market stability.

What’s in Today’s Article?

• OPEC and UAE Membership: Origins and Evolution
• OPEC’s Role in Global Oil Markets
• Iran War and UAE’s Exit from OPEC
• UAE’s Economic Drivers Behind Exit from OPEC
• Impact of UAE Exit on Global Oil Prices

OPEC and UAE Membership: Origins and Evolution

• OPEC was founded in 1960 at the Baghdad Conference by five countries—Iran, Iraq, Kuwait, Saudi Arabia, and Venezuela—to coordinate oil policies and ensure stable revenues for producing nations.
• It emerged as a response to the dominance of Western multinational oil companies (the “Seven Sisters”), which earlier controlled pricing.
• OPEC currently has 12 members, including, aside from the UAE: Algeria, Republic of the Congo, Equatorial Guinea, Gabon, Iran, Iraq, Kuwait, Libya, Nigeria, Saudi Arabia, and Venezuela.
• The United Arab Emirates joined OPEC in 1967, initially through Abu Dhabi, becoming part of the expanding group of oil-producing nations.
• Emergence of OPEC+ and Global Role
  • OPEC+ is a grouping formed in 2016 between OPEC and 10 major non-OPEC producers such as Russia, Mexico, and Kazakhstan.
  • It coordinates oil production quotas to manage global supply and stabilise crude prices.
  • This alliance today accounts for a large share of global oil production and trade, reinforcing its role in shaping energy markets.
    • As per a report, OPEC+ produced roughly 40% of the world’s crude oil and accounts for 60% of internationally traded petroleum.

OPEC’s Role in Global Oil Markets

• OPEC functions much like a central bank for the global oil market, using production controls as its primary instrument.
• By setting output quotas for member countries, OPEC regulates how much oil is produced collectively.
• These quotas prevent oversupply during periods of low demand, helping avoid sharp declines in oil prices.
  • Member countries may have to produce below their maximum capacity to maintain market stability.
• In times of tight supply, OPEC can increase production, ensuring that oil prices do not rise excessively and disrupt global markets.
• Since many member nations rely heavily on oil revenues, this coordinated approach helps stabilise their incomes and domestic budgets, shielding them from sudden price volatility.

Iran War and UAE’s Exit from OPEC

• Security Risks and Disrupted Oil Flows - The US-Iran conflict has heightened security concerns for the United Arab Emirates, especially around the Strait of Hormuz—a route that previously carried about one-fifth of global oil trade.
• Constraints within OPEC Framework - As Iran is a founding member of OPEC, the bloc’s consensus-based decision-making limits the UAE’s flexibility in responding to the crisis and securing its oil exports.
• Shifting Security Dynamics - Gulf nations have traditionally depended on the United States for regional security. However, the conflict exposed gaps in this arrangement, as the U.S. could not prevent spillover impacts on Gulf infrastructure and trade.
• Strategic Autonomy through Exit - By exiting OPEC, the UAE seeks to remove diplomatic constraints, enabling it to independently leverage its oil production, pursue new strategic partnerships, and explore alternative security arrangements beyond traditional Western alliances.

UAE’s Economic Drivers Behind Exit from OPEC

• Production Constraints and Capacity Underutilisation - Beyond geopolitical factors, the UAE faced economic limitations within OPEC quotas, which capped its oil output below full capacity. Concerns over production policies influenced the decision to exit.
• Balancing Oil Dependence and Economic Diversification - At the same time, the UAE is pursuing a transition toward a knowledge-based economy, expanding into sectors like education and technology to attract global talent. Achieving this shift requires higher oil production in the short term to generate the financial resources needed for long-term diversification.

Impact of UAE Exit on Global Oil Prices

• Weakening of OPEC’s Collective Power - A key concern is the erosion of spare capacity control—the unused oil production that can be quickly deployed—traditionally held by countries like Saudi Arabia, Kuwait, and the UAE.
• Rise of Competition and Market Pressure - UAE could emerge as a more aggressive independent producer, putting pressure on OPEC members to increase their own production. This shift introduces greater competition in global oil markets.
• Downward Pressure and Volatility in Prices - In line with basic economic principles, higher supply and competition are expected to push oil prices downward and increase market volatility, especially amid disruptions from the ongoing geopolitical tensions.
• Implications for Oil-Importing Countries - In the short term, lower oil prices could benefit import-dependent countries like India by reducing energy costs. Over time, increased competition may also expand the range of oil suppliers, improving energy security.
• Risk of Further Fragmentation - The UAE’s move may set a precedent, raising the possibility that other members—such as Saudi Arabia—could reconsider quota commitments, potentially leading to further fragmentation of OPEC.