Stern by numbers
Tuesday 31 October 2006
The level in the atmosphere of carbon dioxide, the principal greenhouse gas, stood at
280 parts per million by volume (ppm) before the Industrial Revolution, in about 1780. The level of CO2 in the atmosphere today stands at
£200bn, or 1 per cent of global GDP, must be spent every year to get carbon dioxide levels to "stabilise" at 550ppm. This figure will rise as world GDP increases, and could be three to four times as large by 2050
40 per cent of the world's species would face extinction if temperatures rose by 2C
200 million people are at risk of being driven from their homes by flood or drought by 2050
6C is a "plausible" estimate of how much world temperatures could rise by the end of the century if greenhouse gas emissions are unchecked
60 million more Africans could be exposed to malaria if world temperatures rise by 2C
35 per cent drop in crop yields across Africa and the Middle East is expected if temperatures rise by 3C
200 million more people could be exposed to hunger if world temperatures rise by 2C
550 million more people could be at risk of hunger if world temperatures rise by 3C
4 million square kilometres of land, home to one-twentieth of the world's population, is threatened by floods from melting glaciers
35,000 Europeans died in the 2003 heatwave, an event likely to become 'commonplace'
4 billion people could suffer from water shortage if temperatures rise by 2C
Mammoth ivory trade: Should the prehistoric species be protected – to save the elephant?
The top 10 weirdest animal mating rituals
Nasa says sea levels have risen faster than thought due to climate change
The Great British nature quiz
Climate change: July was the Earth's hottest month on record – while 2015 could be the warmest year, scientists say
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- 3 iPhone 5c to be discontinued, no iPhone 6c to replace it
- 4 Jozef Wesołowski: Former Catholic archbishop found dead ahead of child sexual abuse trial
- 5 Blood Moon and Supermoon: September to bring brightest – and dimmest – full Moon of the year on same night
Climate change: 2015 will be the hottest year on record 'by a mile', experts say
Labour leadership: Jeremy Corbyn accused of 'deluding' young supporters with 'claptrap'
'Women only' train carriages: Jeremy Corbyn unveils radical move to tackle public harassment
Black holes are a passage to another universe, says Stephen Hawking
Iain Duncan Smith 'should resign over disability benefit death figures', says Jeremy Corbyn
Iain Duncan Smith calls for urgent ESA overhaul as part of drive to cut down welfare costs
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