Red-breasted Nuthatches are irrupting this winter across North America. Heather Elaine Ritchie/Flickr

When birds go roaming: The mystery of avian irruptions

During bird irruptions, hundreds or thousands of a single species show up outside their normal territory. Most of what we know about irruptions comes from data collected by citizen scientists.
Women plant rice in the flood plain of Betsimitatatra, Madagascar. Hajakely/Shutterstock

How farmers in Africa are finding ways to sustainably use wetlands

Reflections on World Wetland Day on how this precious resource can be used sustainably to reduce rural poverty, improve food security and strengthen livelihood in the face of climate change.
An innovative water-sensitive project aims to dramatically improve the health of slums and their environment together.

Water-sensitive innovations to transform health of slums and environment

A five-year project announced today will implement an innovative water-sensitive approach tailored to informal settlements. The goal is to revitalise 24 communities in Fiji and Indonesia.
The Simien mountains in Ethiopia are one of the world’s most threatened natural heritage sites. Simien mountains image from www.shutterstock.com

More than half the world’s most important natural sites are under threat: it’s time to protect them

You'd hope we wouldn't flatten the pyramids to build a highway. But that's exactly what's happening to the world's natural heritage sites.
He’s been to Trump Tower, now it’s time for Bill Gates to set his sights on planet Mars. Andrew Kelly/Reuters

Why we should send Bill Gates to Mars

We need Mars-level thinking to solve our energy and climate problems here on Earth.

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