Carbon Dioxide

Renewables 2024 global status report: global overview

This overview sets the scene for the various modules in the Renewables 2024 Global Status Report Collection. It provides high-level trends on the status of renewables in the wider fossil fuel-dominated energy system in the context of global challenges such as climate change, development goals and the geopolitical landscape. Urgent …

Befitting slow pace

an ocean circulation system that brings cool water from ocean depths to the surface has been slowing down since the mid-1970s, causing a decrease of carbon dioxide released into the atmosphere but an increase in sea surface temperatures along the Equator in the Pacific Ocean. This was discovered by scientists …

Sustainable power

germany is aiming to produce 25 per cent windpower by 2030. To increase its current wind generation capacity, offshore wind parks in the Baltic and the North Seal have already been set up. According to environment minister J

Quantifying the risk of extreme seasonal precipitation events in a changing climate

Increasing concentrations of atmospheric carbon dioxide will almost certainly lead to changes in global mean climate. But because - by defnition-extreme events are rare, it is significantly more difficult to quantify the risk of extremes. Ensemblebased probabilistic predictions, as used in short- and medium term forecasts of weather and climate, …

Clean drive

there would be no sulphur in petrol from January 1, 2009, in 15 countries of the European Union (eu) block. This decision was taken by the eu environment ministers recently. The eu intends to reduce harmful pollutants and carbon dioxide from vehicle emissions. The sulphur ban is in consonance with …

Harvesting joy or sorrow?

most commonwealth developing countries will witness a drop of up to 30 per cent in their crop yield by 2050 due to global warming. India and Pakistan may see a drastic decline of 20-30 per cent in their crop production, affecting more than one billion people. In Africa, about 350 …

All gas

Negotiations over the past four years have diluted the already weak Kyoto Protocol signed in 1997. The protocol requires industrialised countries to reduce emissions of heat trapping gases like carbon dioxide to about five per cent below 1990 levels. This target is to be achieved between 2008-12. At the latest …

Pink Floyd goes green

It's time we stopped being comfortably numb about the environment. Rock band Pink Floyd certainly isn't. Their latest album

Energy from acids

hydrogen powered vehicles are amongst the most promising clean vehicles that are on the design board. Unlike engines powered by conventional hydrocarbons like petrol, hydrogen burns leaving only water as a waste. No carbon dioxide or carbon monoxide is released. But the easy and cheap availability of hydrogen is a …

Riding high

Viking, Ashok Leyland's cng-powered bus, has emerged as the clear leader in the mass transport segment. The bus is fitted with a three-way catalytic converter that can simultaneously remove all major pollutants

Reverse effect

Fuels dictate emissions. As established by a number of international studies, grp too found the toxicity of diesel emissions far exceed that of petrol emissions. And vehicles fuelled by diesel have left most companies in the lurch as far as final ratings are concerned. Corporate fuel performance

Green future

countries finally managed to bring to close protracted negotiations on ways to reduce emissions of heat trapping green house gases (ghg) like carbon dioxide. The resulting agreement has no teeth and does not come close to the level of action required to arrest climate change. It instead dilutes commitments already …

Dirty fuel

according to a recent study by the us based non-governmental organisation Natural Resources Defense Council (nrdc), China has reduced its carbon dioxide emissions by 17 per cent in the four-year period from 1996 to 2000, even as its economy grew by 36 per cent. This reduction was the result of …

Rescued or doomed

"I hear no objections, it is so decided,' Jan Pronk, president of the meeting, said in obvious relief as he brought down the gavel at the resumed session of the sixth conference of parties to the climate change convention. The meeting, held in Bonn from July 16-27, 2001, outlined details …

Carbon shopping

trading worth us $100 million have been carried out in the global greenhouse gas emissions market since 1996, states a study commissioned by the World Bank. The study reveals that at least 60 transactions between companies, which account for 55 million tonnes of carbon dioxide ( co 2 ) equivalent …

Sink or elevator?

while huge concessions have been given to the umbrella group countries under the Kyoto protocol for using forests as carbon sinks to meet their targets, latest research shows that planting forests to curb global warming could backfire. Planting trees across the snow-covered swathes of Siberia and North America will heat …

Sunk again

forests and farmlands cannot be relied on to soak up greenhouse gases, says a recent report released by the uk Royal Science Society. It says the cuts in emissions are the only long-term way to reduce global warming over long-periods. The report says too little is known of the science …

Compromise on climate

history was created on July 23, 2001 at Bonn, Germany, when 180 countries finally reached an agreement on rules to implement the Kyoto Protocol, an international treaty to combat global warming, after almost six months of political uncertainty on the issue. "We felt that we needed that the result (the …

Pact politics

The us President George Bush’s obdurate stance on climate change has driven negotiations under the critical un Framework Convention on Climate Change (unfccc) to a feverish pitch. The world has now two options

Trade off!

starting 2005, many European Union ( eu ) industries would be under an obligation to buy and sell the right to emit carbon dioxide ( co 2 ) under an

Flying fines

officials of London's Luton airport have decided to charge a fee from passengers to combat the detrimental impact of their flights on the atmosphere. Those boarding their flight from the airport, which is mainly used by low-cost and charter airlines, will have to pay up to us $4.24 depending on …

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