Climate Central: The overall warming of the planet has had a clear impact on Earth's natural systems and human society and will pose increased -- and potentially disastrous -- risks in the future if the world does not make a more concerted effort to adapt and try to prevent the worst possible outcomes. That's the continued message from the Intergovernmental Panel on Climate Change (IPCC), the United Nations-established body made up of hundreds of scientists who review and summarize the state of climate science and...