• Boston waste haulers may lose licenses if they don’t offer recycling.

• Dentists back sealants, despite bisphenol A concerns.

Help Grist raise $25,000 by September 30 to further advance our climate reporting

• Conservationists factor climate change into land buys.

Sarah Palin and Joe Biden have strong differences on environment.

Electronics recycling industry plagued by lax rules and weak enforcement.