Protein-heavy diets are in vogue among everyone from social media influencers to governments. The latest: New U.S. dietary guidelines released last week urge Americans to eat as much as twice the daily protein intake recommended by the country’s National Academy of Medicine.

While the right amount of protein is much debated, one often overlooked aspect is the toll its sources take on the planet. The good news: High protein doesn't have to come at a high climate cost.

Changing land-use patterns — from industrial agriculture to mass deforestation — have fueled climate change. Yet it’s increasingly clear that this is a two-way street: Satellite images reveal how climate change is now reshaping the land, too.  

Ports aren’t often targets for climate action. But efforts to make them more sustainable, like advancing cleaner shipping fuels or using renewable power on shore, can deliver a one-two punch for the people and the planet — cutting emissions and pollution while creating new jobs and economic growth. 

Global temperatures are now 1.4 degrees C above pre-industrial levels and could surpass 1.5 degrees C as soon as 2030, according to new data. We broke down what it would mean to breach this critical warming threshold.