Was the Earth once entombed in ice and snow? And, if so, why would that be important for us today? It is thought that 600 million years ago the Earth experienced the most violent and dramatic climate change in its history, caused by carbon dioxide. Worried? You should be.

As the first of the new, super-fast, zero emission Tesla Roadster comes off the production line, hopes rise for the future of the electric car. But just how good is this vehicle? Company chairman and founder of Paypal, Elon Musk, seems to be quite pleased to replace his old McLaren F1 with the first ever Tesla.

You have until 27th February 2008 to make your voice heard in the campaign against the third runway being constructed at Heathrow airport. Aviation is set to become the largest emitter of greenhouse gasses on the planet and a third runway will mean much more flights and greater emissions.

Gordon Brown's administration today gave the green light for new nuclear power stations to be built in the UK. The move has been denounced by environmentalists, politicians, academics and economists as a caving in by the government at a crucial time in the fight to tackle growing greenhouse gas emissions and the issue of energy security.

The Intergovernmental Panel on Climate Change and former US Vice-President Al Gore have been announced as the joint winners of the 2007 Nobel Peace Prize. They have certainly made a commendable effort in the field, but how does climate change affect the chance for peace?

With global demand for fossil fuels soaring, those countries with the lion's share of the oil and gas fields are becoming increasingly rich and powerful. Russia is emerging as a global energy Goliath and has turned off the taps to Eastern Europe on two separate occasions. How long will it be before Russia has Europe on the ropes?

Climate change was on the agenda at last week's G8 summit in Heiligendamm, Germany. The sound bites seem promising, but was anything really achieved? Will we get a replacement for Kyoto? Are America on board? Are the world's leaders taking bold action?

Biofuels have gained a lot of publicity recently as a renewable form of energy. However, with a carbon footprint sometimes 10 times that of conventional petrol, mass-deforestation and the reduction of food-bearing land, it may not be the solution that many had hoped for.