At least 16 states currently have critical infrastructure anti-protest laws that could sweep up journalists on the scene, reports the latest TipSheet. The laws, which more states are considering, apply to pipelines, but sometimes other facilities that impact the environment too, like powerlines, dams, port facilities and refineries. How to keep track and avoid going to jail.

While a “Handbook of Environmental Journalism” might initially sound like a scholarly work on environmental journalism, our BookShelf reviewer finds that the volume reads more like an engaging assembly of accessible accounts on the profession from colleagues across the planet. That makes it a rich resource for working journalists ... and anyone else with a passing interest in environmental issues and how they’re covered.

An invasive species of mussel — no, not zebra mussels, but quagga mussels — are wreaking havoc not just in the Great Lakes, but have now spread through the Mississippi and Colorado basins, as far west as Lake Mead. The latest TipSheet runs down the extent of the problem, how quaggas may be even worse than zebra mussels, and ideas for reporting on your local waterways.