Environment, GS-3, Science & Tech, Uncategorized

Explained: How cars can run on hydrogen

Explained: How cars can run on hydrogen Why in news? Ahead of next July’s Tokyo Olympics, Japan is gearing up to put on its roads thousands of vehicles based on a hydrogen cell technology, also known as ‘fuel cells’. How it works? Fuel used: Hydrogen + Oxidant Process:  Produced electricity by an electrochemical process Fuel… Continue reading Explained: How cars can run on hydrogen

Environment, GS-3, Uncategorized

Call of the River

Recently, Lok Sabha passed the amendment to Inter-State River Water Disputes Act, 1956. The Bill is yet to be discussed in the Rajya Sabha. It proposes a permanent tribunal and several other measures to improve the settlement of inter-state river water disputes. The resolution of water dispute is governed by the Inter-State River Water Disputes Act, 1956. According to… Continue reading Call of the River

Environment, GS-3, Uncategorized

Tackling the Air Pollution

Recently, the Environment Pollution (Prevention and Control) Authority- EPCA declared a public health emergency in New Delhi as pollution levels entered the ‘severe plus’ category. Air Pollution as Public Health Emergency Air pollution is now the third-highest cause of death among all health risks, ranking just above smoking, in India. An environment think tank Centre for Science and Environment in its report “At… Continue reading Tackling the Air Pollution

Environment, GS-3, Uncategorized

UN Climate Action Summit 2019

Recently, the UN Secretary-General called all the member states at the UN Climate Action Summit 2019 held in New York, US. The summit expects members states to lay realistic plans to enhance their contributions to climate change mitigation. The Paris climate deal provides a framework to stop climate disruption and reverse its impact. However, the voluntary nature of… Continue reading UN Climate Action Summit 2019

Environment, GS-3, Uncategorized

United Nations Climate Action Summit

Context United Nations Climate Action Summit was held in New York. It was convened to identify urgent and concrete solutions to climate change. Mr. Modi’s speech It covered four important aspects of India’s climate action — the push for renewable energy, electric mobility, mixing of biofuel to reduce consumption of fossil fuels, and the Jal… Continue reading United Nations Climate Action Summit

Environment, GS-3

Natural Sources of Unpolluted Water

India is home to 17% of the world’s population but has only 4% of the world’s freshwater resources. At present, 75% of Indian households do not have access to drinking water, and close to 90% of rural households have no access to piped water. In this context, the government resolved to provide piped water to all rural households by 2024 under the .… Continue reading Natural Sources of Unpolluted Water

Agriculture, Environment, GS-3

Explained: How world is losing fertile land

The UNCCD meeting takes place every two years and the ongoing one in Greater Noida is the 14th such meeting. Since this meeting is taking place in India this time so it becomes significant for UPSC. Why is desertification a concern? A variety of factors, both natural and human-induced, are known to be affecting the… Continue reading Explained: How world is losing fertile land

Environment, GS-3

A case for a differential global carbon tax

Introduction Climate change is a global problem, and a global problem needs a global solution. The most recent Intergovernmental Panel on Climate Change (IPCC) report suggests that we, as humankind, might have just over a decade left to limit global warming. The IPCC says total global emissions will need to fall by 45% from 2010 levels… Continue reading A case for a differential global carbon tax

Environment, GS-3, Uncategorized

Economics behind e-Vehicle Batteries

Context: There are concerns regarding the economic feasibility of electric vehicles (EVs) for mass use, as India is seeking a transition from conventional fuel vehicles to EVs. Transition to EVs: Recently, the NITI Aayog proposed to ban the sale of all internal combustion engine (ICE) powered three-wheeler post March 2023. It also suggested that all new two-wheelers below 150cc sold after March 2025 should be electric.… Continue reading Economics behind e-Vehicle Batteries

Environment, GS-3, Uncategorized

A Plastic Emergency (ban on single-use plastic)

Context: Before a ban on single-use plastic items comes into force, it is crucial to formulate a protocol that will identify the functional roles of different stakeholders. A Movement to Eliminate Single-Use Plastic The government is said to be working on a ban on certain plastic items of common use under the Environment (Protection) Act. This may be… Continue reading A Plastic Emergency (ban on single-use plastic)