The $368 million network of instruments collecting data in both the Atlantic and Pacific has been critical to climate and ocean research.

The $368 million network of instruments collecting data in both the Atlantic and Pacific has been critical to climate and ocean research.

© Rebecca Travis/WHOI

While global warming is still a threat, the decision to back away from a worst-case outlook raises questions about whether some risks have been overstated.

© Apu Gomes/Agence France-Presse — Getty Images

Renewable energy has helped make the worst-case scenario a bit less bad. The president said, falsely, it shows that climate scientists were wrong all along.

© Agence France-Presse — Getty Images