How much stuff will you give and receive this holiday season? Add it to the growing pile — the 30-trillion-tonne pile. That’s how much technology and goods humans have produced, according to a study by an international team led by England’s University of Leicester. It adds up to more than all living matter on the planet, estimated at around four trillion tons.
Tread lightly to lift the weight of the world
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David Suzuki
David Suzuki is a scientist, broadcaster, author and co-founder of the David Suzuki Foundation.