A climate milestone, highest in human history, a mayday call by the planet. However it's portrayed, it's a disheartening fact that on 9th May the concentration of carbon dioxide in the atmosphere, as measured by an observatory in Hawaii, topped the symbolically important level of 400 parts per milli... read more

In case you haven't seen it already, we've just published a food waste supplement as part of our Resource Revolution campaign.... read more

In 1938 a young amateur scientist made the first connection between global warming and CO2 emissions. His idea received little attention at the time and many shunned his calculations as absurd but 75 years later we have to ask, have we finally accepted the relationship between humans and the changin... read more