James Hansen

"Corporations and governments must work together on climate solutions."

"The transition to clean energy will create more jobs than it eliminates."

"We are in a race against time on climate change."

"The climate debt of wealthy nations to developing countries is enormous."

"We must listen to climate scientists and act accordingly."

"Ocean acidification is a ticking time bomb."

"Climate change threatens global stability and peace."

"Renewable energy deployment must accelerate exponentially."

"The melting of permafrost releases methane, accelerating warming."

"We cannot achieve climate goals without transforming agriculture."

"The financial sector must divest from fossil fuels."

"Young people are leading the climate movement because adults have failed."

"Climate change will worsen inequality if we do not act."

"We need a mobilization effort comparable to World War II."

"The costs of inaction far exceed the costs of action."

"We must protect forests as critical carbon sinks."

"Climate change is not a distant future problem; it is happening now."

"The ice sheets contain enough water to raise sea levels catastrophically."

"We have about one decade to cut emissions in half."

"Renewable energy is the future; fossil fuels are the past."

"Climate change amplifies existing social inequalities."

"We need a price on carbon to drive market transformation."

"The climate system responds slowly but then changes rapidly."

"We must prepare for climate impacts that are already inevitable."

"Adaptation alone cannot solve the climate crisis."

"The window for limiting warming to 1.5 degrees is closing rapidly."

"We need climate leadership from both government and business."

"The climate crisis is a test of human character and values."

"We must transition away from growth-at-any-cost economics."

"Climate change will cost far more than clean energy investment."