The Revelator is an online news and ideas website published by the Center for Biological Diversity. They provide “editorially independent reporting, analysis and stories at the intersection of politics, conservation, art, culture, endangered species, climate change, economics and the future of wild species, wild places and the planet.” They’re open to pitches for a limited number of stories. They’re primarily seeking conservation stories set in the US right now. Pay ranges from $300 to $500 per story (usually 1,000 to 1,500 words). To learn more, refer to their editor’s post and this page.