Carbon dioxide emissions are bad for the environment; they drive climate change. Two German companies are working on technology to harness CO2 as a raw material to make other products.
The environment needs help. When politicians out themselves as climate change deniers, grassroots and civil society groups get louder. But how much can they achieve?
Six months ahead of the European elections, Germany's Green Party has formally adopted its manifesto. It plans to demand a unified European asylum law and campaign for taxes on tech giants and Europe's worst polluters.
There's only so much greenhouse gas we can emit before global temperature rise exceeds 2 degrees — the so-called carbon budget. And Germany will blow its share of the budget if it doesn't quit coal soon, experts warn.
Air travel is the fastest-growing source of carbon emissions. But could green tech and optimization mean that one day, we'll be able to hop on a plane with a guilt-free conscience?
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