The Campaign Against Climate Change packed out Conway Hall in London for a public meeting last week. Among a panel of varied speakers was George Monbiot, there to launch his new book Heat - How to Stop the Planet Burning.
An Inconvenient Truth, the new documentary based on the multi-media lecture about global warming given by former US vice president Al Gore, had its mainstream release in Britain last week. The previous day Nasa revealed that the Antarctic ice is melting 14 times faster than expected.
Abrupt climate change has been a growing topic of concern for climate scientists. They fear that global warming could shut down the "ocean conveyor" that warms the North Atlantic, plunging Europe and parts of North America into Siberia-like conditions within a few decades or even years.
Unfrozen water has appeared at the North Pole for the first time for more than 50 million years. The mile wide stretch of open water is a clear sign that global warming is happening.