Businesses, including Dow and Proctor & Gamble, have vowed to continue fighting climate change. So how much does the Paris agreement matter then?

With the number of refugees allowed to enter the country in flux, those who help them are feeling financial pressures and anxiety.

The former US trade representative says there's room for improvement, but restrictions could be costly.

The European Union says the United Kingdom must pay big for leaving the bloc.

The U.S. is obligated to remain in the pact until 2019, but its influence could decrease in the meantime.