Now that the world has an official climate agreement, countries must begin the hard work of finding ways to meet its objectives. Political and business leaders will have to work together to make the changes necessary to meet the goals of the Paris agreement, and that will be challenging, experts say.
Water security is a challenge that likely will be included in the post-2015 sustainable development goals. The United Nations needs to take on a leadership role to see that the issues detailed by UN-Water's latest report are addressed, write Matthew Berger.
Airstrikes in Syria, reportedly by Israel, have killed 42 soldiers from the Syrian government. Russia and NATO Secretary General Anders Fogh Rasmussen were among parties expressing concern that Syria's civil war could spread to other countries.
Warren Buffett's Berkshire Hathaway is continuing to lobby key senators on derivatives regulation that could help Buffett avoid a big financial hit. It is unclear what impact a deal on derivatives regulation reached between two key Democrats would have on Buffett's request. Buffett wants existing derivatives contracts exempt from proposed rules.