The word 'fossil' is correct and usable in written English.
You can use it when referring to evidence of prehistoric life, such as ancient animals, plants, or their remains. For example: "The scientists found an interesting fossil embedded in the rock."
"Determining where this capital is spent needs to be an important issue for investors, otherwise there is going to be a lot of capital wasted in coming years on developing fossil fuel reserves that cannot be burned".
Related: A new study urges leaving fossil fuels in the ground.
Economists generally agree that the key to addressing climate change is to raise the cost of burning fossil fuels, either directly, through a carbon tax, or indirectly, through a cap-and-trade program.
At the end of April, Heitkamp introduced bipartisan legislation in the Senate to re-write the rule, with the backing of other Democratic senators, including Senator Joe Manchin from West Virginia, which produces around 15% of America's fossil fuel energy, according to the region's department of commerce.
Far more fossil fuels – about 2650GT – are held by state-owned companies, meaning that in total there are four to five times more fossil fuels in existing reserves than can be safely burned.
It seems a good bet that if you want to help the world's poor you should get them on more power now and to a very large extent that's going to be fossil fuels.
Ekins said if governments approved new fossil fuel production, they should be asked what resources elsewhere would not be exploited.
The research also highlights the contradiction of governments seeking to maximise their nation's fossil fuel extraction, as in the UK, while simultaneously pledging to limit global warming to 2C.
"We've now got tangible figures of the quantities and locations of fossil fuels that should remain unused in trying to keep within the 2C temperature limit," said Christophe McGlade, at University College London (UCL), and who led the new research published in the journal Nature.
He said that, in addition to scrapping fossil fuel subsidies and introducing a carbon tax, the World Bank's plan involved spending more on energy efficiency, measures to make agriculture greener and changes to help cities become less polluted and more liveable.
Speaking to the Guardian ahead of this week's half-yearly meeting of the World Bank in Washington DC, Kim said he had been impressed by the energy of the divestment campaigns on university campuses in the US, aimed at persuading investors to remove their funds from fossil fuel companies.
