“As a Nobel Prize winner, I travel the world meeting all kinds of people.
“These are the real experts on climate change and this is what they’re saying:
- Earth’s climate has changed over the past century. The atmosphere and oceans have warmed, sea levels have risen, and glaciers and ice sheets have decreased in size.
- The best available evidence indicates that greenhouse gas emissions from human activities are the main cause.
- Continuing increases in greenhouse gases will produce further warming and other changes in Earth’s physical environment and ecosystems.”