When experts warn of the consequences of global climate change, they usually cite impacts on natural systems. They tell us that ice caps will melt, sea levels will rise, extreme weather will become more common, droughts will increase in frequency, oceans will become more acidic and so on. In recent years, we have also come [...]
Dennis Blair is a serious man. A retired, four-star admiral with a legendary knack for water skiing behind his warships, the multi-talented Blair currently serves as the Director of National Intelligence (DNI) under President Obama. This position oversees the 16 national intelligence agencies, coordinating their efforts while informing the policy makers – including the President, [...]
State of the Planet is a forum for discussion on varying viewpoints. The opinions expressed by the authors and those providing comments are theirs alone, and do not necessarily reflect the opinions of the Earth Institute or Columbia University.
