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999 Emergency Earth

Click is in Arizona finding out how 'artificial trees' are being developed to suck carbon out of the air. Plus, drones that follow ships to 'sniff' emissions.

15 minutes

Last on

Sat 29 Jun 2019 02:30GMT

Broadcast

Watch the full edition of Click

Watch the full edition of Click

The 30 minute edition of Click is available on 成人快手 iPlayer (UK only)