Amid rising concerns about climate change and extensive rollbacks of environmental regulations under President Donald Trump’s administration, environmental groups are stepping up their advocacy game.Last year, a slew of high-profile groups saw steep increase in their annual revenue, tax records show. They in turn invested heavily in pushing for pro-environment policies and electing like-minded candidates.The efforts came at a point when climate change helped shape the nation’s political climate. As environmental groups criticize the oil and gas industry as large polluters, Democratic presidential hopefuls are rejecting contributions from fossil fuel executives. The pledge stands in sheer contrast with the Trump administration, which scaled back federal oversight on environmental protections. To view the full article visit the Center for Responsive Politics.