Major environmental groups are guarding against a potential order from President Donald Trump that could strip away their tax-exempt status, sources familiar with the matter told Bloomberg Law Wednesday.

Multiple environmental and conservation organizations are discussing preparations and assembling legal teams in response to the speculation, according to sources who agreed to speak on the condition of anonymity.

“This is going to be focused on climate activism, not environmentalism in general,” according to Kieran Suckling, executive director for the Center for Biological Diversity.

Some say the order—which could also seize funds and designate groups as domestic terrorists—will be released on …