Hundreds of thousands of “climate refugees” had to flee their homes following the devastating floods that hit the southern state of Rio Grande do Sul in Brazil at the end of April, which I covered in last week’s newsletter.  Around 1,000 miles north of this region, however, conservationists in Rio de Janeiro have spent four … Continue reading Coastal Communities’ Living Barriers—Mangroves and Coral Reefs—Could Soon Collapse Due to Climate Change