Captain David Matschke is well aware of the dangers he faces on the job. A firefighter for 32 years, he is trained to race to the scene of house fires, car crashes and even industrial accidents, breaking through windows and doors to evacuate occupants and routinely putting himself in harm’s way. But beyond fire itself,…

Petroleum-derived chemicals are intrinsic to virtually every product in today’s society, from the medicines we take to the agrochemicals that produce our food and the plastics that encase our mobile devices. As pressure mounts to reduce the world’s fossil fuel consumption, developing greener manufacturing processes that use less energy and produce less waste is becoming…

Small farmers and indigenous communities have practised sustainable agriculture for centuries. Chidi Oguamanam is working to ensure that traditional knowledge is recognized and shared equitably.The kind of clean technology Chidi Oguamanam advocates looks a lot different from what many of us might imagine. No high-tech solar panels. No futuristic gizmos. No scientists in a lab.