Holder of one-fifth of the world’s fresh water, the Amazon is beginning the dry season with many of its rivers already at critically low levels, prompting governments to anticipate contingency measures to address issues ranging from disrupted navigation to increasing forest fires....
A humpback whale that is missing its tail and was spotted in Washington state’s inland waters likely lost its iconic flukes after becoming entangled, possibly in some kind of line or fishing gear, experts say. That loss of the flukes, used for propulsion, would appear to be a death sentence for the creature, last reported as...