G8 aims to halve greenhouse gases
World leaders at the G8 summit aim to set a target to halve carbon emissions by 2050 in an effort to tackle global warming.

Mayor quashes £25 C-charge hike
London Mayor Boris Johnson quashes the proposed rise in congestion charge for vehicles deemed high polluters.

UK to slow expansion of biofuels
The UK is to cut the rate of growth of biofuels because of "increasing questions" over their impact.

Australia 'needs carbon trading'
An Australian government advisor calls for a national emissions trading scheme to combat global warming.

Aviation impacts 'hotly disputed'
Green advisers tell the government airport expansion should be suspended pending an inquiry.

US city to charge polluting firms
The US city of San Francisco passes new rules requiring businesses to pay for the amount of CO2 they emit.

Next decade 'may see no warming'
Global temperatures may not rise for 10 years as natural cooling masks greenhouse warming, research suggests.

Slowing the biofuel bonanza
The Gallagher Review pours caution on the pace of biofuel development.

Japan waits on US for CO2 targets
Japan says it will not negotiate on CO2 emissions until it sees what the new US president offers on climate change.

Time to leave the comfort zone
Civic leaders must be willing to make tough choices if we are going to live in green cities.

No impact from Energy Saving Day
The UK's first Energy Saving Day ends with no discernible reduction in the country's electricity consumption.

Church to step up climate fight
Leaders of the influential US Southern Baptists decide climate change is real and they should fight it.

Tuvalu struggles to hold back tide
The nine tiny South Pacific islands of Tuvalu only just break the surface of the ocean - but for how much longer?

Q&A: Climate change
The BBC News website looks at the rapid human-induced warming that scientists believe the planet is facing.

Q&A: The Carbon Trade
The Carbon trade

IPCC report: In graphics
Human activity is "very likely" to be the cause for Climate change, climate scientists have concluded.

Climate costs: The global picture
BBC correspondents give views on climate change from around the world, in the wake of a UK government report warning of dire costs.

Earth - melting in the heat?
Are the poles melting? Are mountain glaciers disappearing? We take the temperature of the planet's ice.

How you can save energy
How to save money and the environment by turning off appliances instead of putting them on stand-by.

Carbon calculator
A simple approach to determining your contribution to climate change.

Green home wish 'not granted'
Reader Nedira Yakir says her dream of making her house eco-friendly was frustrated by "red tape and apathy".