Nuclear “essential” in climate fight say leading scientists
James Hansen and Ken Caldeira say the world will have to use nuclear power as well as renewable energy to tackle global warming
James Hansen
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Hansen urges Obama to abandon Keystone XL pipeline
NASA climate science chief James Hansen says approval of tar sands pipeline would be a “crushing blow” to the climate
James Hansen: 2C temperature rise would be “disastrous”
UN’s 2C limit for global warming is way too high and would threaten major dislocations for civilization say a group of prominent scientists