A Texas Tech University climate scientist and lead author on a national climate assessment said Facebook is restricting her ability to share research and fact-check posts, according to E&E News.

Katharine Hayhoe, lead author of the federally-sponsored Fourth National Climate Assessment, said she has been blocked from promoting videos related to climate research.

Hayhoe said the social media site has previously identified her educational climate videos as “political,” requiring her to register and provide personal information in order to successfully post, which could expose her to personal attacks.

Currently, groups that reject climate science have used Facebook to spread misleading claims to tens of thousands of followers.

Some groups receive funding from the fossil fuel industry and from foundations that oppose environmental regulations. They purposely confuse the public about the facts of climate change and muddy the scientific consensus shared by about 97% of scientists that climate change is at least partly caused by human activity.

You can read more about the struggle to fight climate misinformation on Facebook here.