Illegal, unreported and unregulated fishing undermines our ability to manage fish stocks sustainably.

How can the world feed nearly 10 billion people by 2050 while also advancing economic development, protecting forests and stabilizing the climate? Technological innovations like plant-based "beef" and low-emissions rice can help.

Climate experts have long considered heavy transportation one of the hardest parts of the economy to clean up. But new research shows that trucking, shipping and aviation can in fact become carbon-neutral, at very low cost.