This oasis of green in the hyper-developed city has an important job: it can contain one million gallons of water. Here’s how.
The worst effects of climate change may not be felt for centuries. So how should we think about it now?
Some argue that we have a moral responsibility for future generations, but others ask: how do we know what they would want? Writer Charles Mann explores the confusing ethics of acting on global warming.
Opinion: Why the actions of cities — not nations — will be the key to our survival on earth
While some world leaders resist global cooperation, city leaders are working across borders to tackle big issues like global warming, immigration and terrorism, says urban expert Robert Muggah.
Not every conversation with a climate denier has to lead to raised voices and hurt feelings. Here’s how to do it constructively.
The loss of polar ice may seem like an abstract concern, but it’s one that will affect all of us, no matter where we live, says glaciologist and TED Fellow Michele Koppes.
How can you protect crops against global warming? One answer: find the secrets of plants that already thrive in the most punishing climates, says microbiologist Rusty Rodriguez.
