Not every conversation with a climate denier has to lead to raised voices and hurt feelings. Here’s how to do it constructively.

Not all plastic are evil, but we could all probably do with a whole lot less. Check out these great ideas — from a googly-eyed trash catcher to a styrofoam substitute made from mushrooms — and learn some small steps you can take right now.

Who says homes need to be built out of bricks and mortar? Or that blimps can’t be used for public transport? Architect Mitchell Joachim shares his remarkable concepts for creating earth-friendly next-gen urban human habitats.

Yes, it has free love, vegan food, Wi-Fi and a low carbon footprint. But it also has unchallenged assumptions, ramshackle housing and a questionable belief system, finds social media analyst Jamie Bartlett.

Artist and professor John Sabraw is turning industrial acid runoff into striking pigments and paints that could be used to save Ohio’s rivers and streams

The trends and upcoming projects that will engage us in 2017 — as predicted by TED’s science, design and technology curators.

A selection of uplifting reads — all suggested by TED speakers — for your end-of-year break.