What is global warming? What causes climate change? Since humans started using the Earth's resources in more incredible and wonderful ways we've seen a rise in global temperatures and changes to weather patterns that could have drastic consequences for future generations - but how much of this is due to the lives we lead today is still heavily debated. With rising sea levels and greenhouse gases increasing, one thing is for certain - the environmental impact of climate change can be felt today.
We're all aware of some of the more publicised impacts of global warming: rising sea levels, extreme weather events, retreating glaciers. But amongst the despair there may be one small ray of hope: tiny horses.
Climate change predictions are based on computer models that are only able to vaguely reproduce Earth’s complex weather systems. Robert Matthews asks whether that’s enough to bet our future on