The UN Intergovernmental Panel on Climate Change (IPCC) issued a new report concluding that climate change is already having a big impact on agriculture, human health, and water supplies, and are warning that these effects will get more severe over time. The IPCC warns that governments and businesses need to take action immediately against these growing risks, though I fear that even the business-friendly GOP will be more focused on short term profits and gains than long term sustainability.
This is a follow-up to a report last year saying humans are to blame for global warming. You can read more at the New York Times.