CO2 emissions set to reach record high in 2014

NEW DELHI: Carbon dioxide emissions will reach a record high of 40 billion tonnes in 2014, according to the latest report of the Global Carbon Project, which is co-led in the UK by researchers at the University of East Anglia and the University of Exeter. This dire projection comes ahead of the New York Climate Summit starting on September 23, where world leaders will seek to catalyse action on climate change.

"The time for a quiet evolution in our attitudes towards climate change is now over. Delaying action is not an option - we need to act together, and act quickly, if we are to stand a chance of avoiding climate change not long into the future, but within many of our own lifetimes," Pierre Friedlingstein, professor at the University of Exeter and lead author of the paper published in Nature Geoscience said.

Historical and future CO2 emissions must remain below a total 3,200 billion tonnes to be in with a 66 per cent chance of keeping climate change below 2°C. But two thirds (2,000 billion tonnes) of this quota have already been used. This means that total future CO2 emissions cannot exceed 1,200 billion tonnes.

At the current rate of CO2 emissions, this 1,200 billion tonne CO2 'quota' would be used up in around 30 years. This means that there is just one generation before the safeguards to a 2 degrees C limit may be breached.

The international team of climate scientists say that to avoid this, more than half of all fossil fuel reserves may need to be left unexploited.

Prof Corinne Le Quere, of the University of East Anglia, said: "The human influence on climate change is clear. We need substantial and sustained reductions in CO2 emissions from burning fossil fuels if we are to limit global climate change. We are nowhere near the commitments necessary to stay below 2°C of climate change, a level that will be already challenging to manage for most countries around the world, even for rich nations.

"Politicians meeting in New York need to think very carefully about their diminishing choices exposed by climate science."

China, the USA, the EU and India are the largest emitters - together accounting for 58 per cent of emissions, the report said. China's CO2 emissions grew by 4.2 per cent in 2013, the USA's grew by 2.9 per cent, and India's emissions grew by 5.1 per cent. The EU has decreased its emissions by 1.8 per cent, though it continues to export a third of its emissions to China and other producers through imported goods and services.

CO2 emissions are caused primarily by burning fossil fuels, as well as by cement production and deforestation. Deforestation accounts for 8 per cent of CO2 emissions.

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