Voluntary carbon offsetting was hotly debated at the COP26 climate summit in Glasgow. Here's a backgrounder
Carbon offsetting is when a company seeks to compensate for its greenhouse gas emissions by investing in a project that reduces emissions somewhere else, whether next door or on the other side of the planet.
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Corporate carbon polluters plant trees to counter their CO2 emissions, but activists warn against greenwashing and say such afforestation schemes detract from the emissions reductions needed to combat climate change.
Voluntary carbon offsetting are being hotly debated at the COP26 climate summit in Glasgow. Here's a backgrounder.