Could the answer to climate change be found 7000 feet under ground? We are a long way off from reducing our carbon emitting fossil fuels, but maybe we can reduce how much we release back into the atmosphere. And as the situation becomes more desperate, extreme measures like geoengineering and renewable energy sources become increasingly important. In this episode of Fw:Thinking, Jonathan looks into some innovative ideas that just might solve this growing global affair.What concerns YOU most about climate change? Let us know in the comments below!