The Ninth Circuit held that a property owner who purchased the site at a tax sale is not entitled to CERCLA's third-party defense to liability for cleanup costs. The purchaser had a "contractual relationship" with the prior owner by virtue of the tax sale.

A district court denied a pesticide manufacturer's motion to dismiss a lawsuit alleging that the label on one of its weed-killing products is false and misleading.

A district court held that that the Department of Homeland Security (DHS) need not disclose information about certain chemical facilities per an environmental group's FOIA request.

A Texas court, ruling on a petition for pre-suit discovery, held that it would have jurisdiction over a major oil corporation's potential lawsuit against several California cities that have filed suit against it relating to climate change.