Saudi Arabia is the worlds biggest oil exporter. But should the country bear all the responsibility for the emissions?
Even the world's largest CO2 emitters are suffering the effects of climate change. So what's stopping countries like Germany, India, Saudi Arabia, the US and China from changing tack and going green?
The climate talks stretched into record overtime before negotiators managed to seal a vague agreement in a last-ditch effort. Activists were hoping for a bolder approach to curbing climate-changing greenhouse gases.
Global warming-causing carbon emissions are reportedly set to more than double in price. It's a step in the right direction, say some climate activists, but others say the compromise still falls short of demands.
In an effort to cut carbon emissions, the EU established a cap-and-trade system 15 years ago. So far, it hasn’t had much impact. So how does it work, and how can it be made more effective?
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