Now playing Next Eco-Innovation Iceland: See inside the world’s biggest plant sucking CO2 from the air
Now playing Next Eco-Innovation How climate change is threatening one of Portugal’s best carbon sinks
Now playing Next Green News EU Policy. 23 member states sign Solar Charter, vow to tackle unfair competition
Now playing Next Eco-Innovation Beer and pizza are going climate neutral inside Berlin's old airport 05/04/2024
Now playing Next Eco-Innovation This robot disguised as a fox will scare wildlife away from runways 02/04/2024
Now playing Next Eco-Innovation Painting pavements and roofs could reduce city heat by 1.5C 01/04/2024
Now playing Next Eco-Innovation Meet the solar entrepreneurs changing women’s lives in Nigeria 31/03/2024
Now playing Next Home Inside the world's first reactor that could produce unlimited energy 26/03/2024
Now playing Next Eco-Innovation Could old coffee grounds help clean up contaminated water? 25/03/2024
Now playing Next Eco-Innovation AI robots are patrolling Dutch tulip fields to root out viruses 22/03/2024
Now playing Next Eco-Innovation Solar batteries are crucial in avoiding blackouts during heatwaves 15/03/2024
Now playing Next Eco-Innovation These window-mounted heat pumps can be fitted in 15 minutes 12/03/2024
Now playing Next Eco-Innovation This French town is building a solar canopy over its cemetery 12/03/2024
Now playing Next Eco-Innovation World’s largest sand battery set to slash emissions in Finnish town 10/03/2024
Now playing Next Health news This German start-up makes biodegradable tampons from seaweed 08/03/2024
Now playing Next Eco-Innovation Wind-powered heat pumps could slash energy bills by up to one third 03/03/2024
Now playing Next Eco-Innovation Growth in carbon emissions slows thanks to clean energy tech 01/03/2024
Now playing Next Eco-Innovation Inside the Italian school saving money with a €350,000 hydrogen boiler 29/02/2024
Now playing Next Eco-Innovation Batteries made from woodchips could clean up the EV industry 26/02/2024
Now playing Next Eco-Innovation India makes it easier to install rooftop solar panels on homes 22/02/2024
Now playing Next Eco-Innovation What is water cremation? ‘Eco-friendly’ burials begin in Britain 16/02/2024
Now playing Next Eco-Innovation OceanX: What is this billionaire-backed ship doing in the deep? 11/02/2024