Factbox: Climate change spending in new Obama budget

WASHINGTON (Reuters) - U.S. President Barack Obama's new budget includes billions of dollars in spending to support reducing the nation's greenhouse gas emissions, which are blamed for global warming.

The Obama administration has pledged to reduce carbon dioxide emissions 17 percent from 2005 levels by 2020, and 80 percent by 2050.

Climate measures in the budget include:

Environmental Protection Agency

- $21 million to implement a Mandatory Greenhouse Gas Reporting rule for polluters, an increase of $4 million from 2010 levels.

- $25 million in aid to states for permitting activities on greenhouse gas emissions.

- $7 million to develop New Source Performance Standards to control greenhouse gas emissions from some major stationary sources.

- Adds $6 million to support regulatory programs to reduce greenhouse gas emissions from mobile sources.

Energy Department

- An additional $36 billion in loan guarantees for nuclear energy, for a total of $54 billion.

- Adds $500 million in credit subsidies for innovative energy efficiency and renewable energy projects.

- $545 million to develop carbon capture and storage technology.

- Nearly $2.4 billion for energy efficiency and renewable energy programs, an increase of $113 million from the 2010 budget.

Interior Department

- Adds $14 million for Climate Science Centers focused on the impact of climate change on federal lands.

(Reporting by Ayesha Rascoe; editing by Jim Marshall)