U.N. climate deal set to rely on persuasion, not coercion
Agreement on global warming due in 2015 is set to avoid tough penalties for nations that break their promises
U.N. seeks $2 billion aid for Sahel as conflict worsens
Uncertain weather and conflict mean millions of Sahelians are short of food, at risk of epidemics
Drought-hit Rio braces for Carnival water shortages
Sao Paulo admits it could begin turning off water two days a week if dry conditions worsen
From Bangkok to Bhutan, growing cities race to outrun disasters
Asian cities are struggling to build the infrastructure that could help keep their swelling populations safe
UK stars turn to Shakespeare in Valentine's Day climate campaign
"Show the Love" campaign aims to put pressure on leaders to agree a new deal to limit global warming
'Development refugees' resist Indian dam
An effort to link India's rivers and improve water and food security is threatening to displace hundreds of thousands
UN deal to combat global warming complicated as length of draft text balloons
Delegates say the additions at Geneva talks were to let all countries air their views
Spread of plague slows in Madagascar, death toll at 71 - WHO
Madagascar has suffered an outbreak of plague nearly every year since 1980 and case numbers have increased in the past three years
Supply chain policies need work to save forests - think tank
New ranking of companies, investors and states shows only a minority are doing enough to end deforestation
In China, a fight to save a forest tests toughened environment law
Environmentalists hope the case against four mining executives will prompt a wave of legal action