So far, Organizing for Action has gotten involved in the fight over gun control and immigration legislation, and in a conference call with fund-raisers on Tuesday, the group's leaders said they expect to take on climate change issues later in the spring.
Brown has volunteered himself as an unofficial ambassador abroad on climate change issues and was one of the first three governors to join the U.S. Climate Alliance, a coalition of states committed to the goals laid out in Paris.
"This is not the kind of problem you want to leave for the next generation," said Brian Schatz, a Democratic senator from Hawaii and one of the Senate's lead advocates on climate change issues.
The president would be banned from hiring an aide on climate change issues.
How well do you think President Obama is faring on climate change issues?
The UK's parliamentary under secretary of state for energy and climate change, Baroness Verma urged India to play a bigger role on climate change issues.
The deputy minister concluded his letter: "I can however assure you that we will continue our offensive stance on climate change issues both at home and abroad".
Tillerson faces a difficult confirmation process for a variety of reasons, including congressional Democrats' determination to grill him on climate change issues.
The Bank of England is also pursuing greater disclosure on climate change issues from the oil and gas sector, with a view to assisting investors.
Christian Aid, a British and Irish church organization that was founded after World War II to help European refugees, is now working on alleviating global poverty while lobbying governments on climate change issues.
Doing nothing until the end of the decade would also likely mean curtains for low-lying areas and small island states, including the Maldives, whose President Mohamed Nasheed I advise on climate change issues.
