Peruvian inventor hopes to clean Lima's air with giant purifiers
One machine, which costs just $6 a day to run, can convert as much C02 into oxygen as 1,200 trees
U.S., British data show 2014 could be hottest year on record
Another record year would be a sign rising emissions are stoking long-term global warming, scientists say
France to stop credits for coal projects in developing countries
President says there will be no export credits for energy projects in developing states that involve coal
What would success look like at Lima climate talks?
Negotiators need to narrow down the options for a 2015 agreement and set the rules of the road for national contributions over next year
Typhoon-proof homes in Vietnam build hope for disaster-prone areas
Danang Women's Union played a key part in developing storm-resistant shelters and protect vulnerable households, many of them run by women
African states should double agriculture research spending, report says
Report urges more training for female researchers, key in a region where majority of farmers are women
Could climate change spell trouble for Kenya's largest river?
Soil is washing away at unprecedented rates - and it could get worse
Bangladesh farmers turn back the clock to combat climate stresses
Indigenous varieties of rice are making a comeback in Bangladesh
Kashmiris urge India-Pakistan cooperation to head off disasters
After Kashmir floods, pressure grows on two rival nations to put in place joint disaster management systems