Durwood Zaelke’s eye for an environmental “quick fix” has arguably saved the world half a degree Celsius of warming.
The environmental lawyer is the little-known driving force behind a key amendment to what’s been called the most successful climate treaty ever.
The BBC’s Hannah Long-Higgins meets him and finds that there are deeply personal reasons driving him.
Produced by the BBC’s Franz Strasser and Stephen Hounslow.
Climate Defenders is a five-part series highlighting people who lead the battle to protect the planet from rising temperatures.
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