Ahhh. Summer has arrived, and Terra Informa’s got your gardening Q’s covered with our new segment, Dispatches from the Dirt. Of course, it’s hard to enjoy the weather if the skies are black with fumes—and making you sick. This begs the question, how does one find out if the environment is the cause of certain illnesses in the first place? Finally, we get an economist’s guide to the complex climate change negotiations from a Killam Prize winner.