Pakistan and Afghanistan monsoon floods August 2013
Eastern Afghanistan and neighbouring Pakistan have been hit by torrential rain, causing floods which have killed at least 80 people.
Eastern Afghanistan and neighbouring Pakistan have been hit by torrential rain, causing floods which have killed at least 80 people.
Eastern Afghanistan and neighbouring Pakistan have been hit by torrential rain, causing floods which have killed at least 80 people.
Humanity is the major influence on the global climate change observed over the past 50 years.
Deep in the Arctic Circle, in the Messoyakha gas field of western Siberia, lies a mystery. Back in 1970, Russian engineers began pumping natural gas from beneath the permafrost. The field continues to power Norilsk today.
Oblivion, After Earth, Pacific Rim, Man of Steel . . . why are we so obsessed with the apocalypse?
In conditions without oxygen, such as at the bottom of a lake or the sea, decomposition turns organic matter into methane, rather than carbon dioxide.