Andy Murdock, University of California

Do we all have to go vegan to save the world?

Delivery culture isn’t helping the climate-change fight — but there are simple fixes.

Why aren’t facts enough to get us to act on global warming?

New nuclear energy technology has come a long way — but can we get over our fears?

But here’s how we could drastically reduce food waste.

The dirty, secret life of your smartphone — and what we can do to clean it up.

How we can have our cake and solve climate change too.