Progress roundup: Hong Kong bans ivory trade, Costa Rica’s camera traps prove success of habitat protections, and the new “Great Blue Wall” of the Indian Ocean.
SANTA HELENA DO INGLÊS, Brazil In a small clearing at the edge of the rainforest, two rows of solar panels gleam in the scorching late-morning sun. In a shed nearby, inverters hum quietly as they turn the sunlight into electricity, powering a church, a school and a few dozen homes in the village of […]