There's a 50-hectare forested plot in Panama where researchers with the Smithsonian Institution have gathered highly detailed information about the species, distribution, and size of trees there. In a 2016 study, researchers proposed that those particular characteristics, and the forest's total metabolic rate, was limited by light.
A team of biologists has accomplished two herculean feats in Hawaiian plant conservation: the successful reintroduction of the endangered Ka‘ū silversword (Argyroxiphium kauense) and Pele lobeliad (Clermontia peleana) on Mauna Loa and Kīlauea volcanoes in Hawai‘i Volcanoes National Park.
More solar panels, electric cars and better-insulated buildings are key elements of an ambitious Pima County blueprint for carrying out a local piece of the Paris climate change agreement.
The official start of the monsoon was June 15, but widespread activity started relatively late this year, especially in southern Arizona. There, numerous storms in mid-July brought widespread and frequent precipitation activity, boosting the percent normal monsoon precipitation in several locations. New Mexico had a comparatively earlier start to monsoon activity, which is expected given the typical spatiotemporal progression of the monsoon, and has seen more steady and widespread monsoon activity, as evidenced by the percent of days with rain.