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The White House's climate change announcement Monday is meant to place pressure on Republican lawmakers to support President Obama's goal of hashing out a global deal on emission reductions later this year, business leaders say.

The White House announced Monday that it secured committments from 81 companies to reduce their greenhouse gas emissions and invest in clean energy. Many scientists blame the increase in manmade greenhouse gas emissions from burning fossil fuels for raising the Earth's temperature, resulting in more severe weather and droughts.

The announcement was followed by a full day of meetings among the administration, businesses and environmental groups at the White House on ways to support a strong global deal in Paris in December.

"It's an important signal to lawmakers" and the "right message to U.S. leaders and global negotiators," said Anne Kelly, senior director at Ceres, a coalition that advocates environmental sustainability and represents many of the companies that signed onto Monday's climate change pact with the administration.

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