• Ocean heat waves are killing underwater life, threatening biodiversity https://www.nationalgeographic.com/environment/2019/03/ocean-heat-waves-threaten-sea-life-biodiversity/?fbclid=iwar0zuw6t0t31l-9f6-2z_cugngbiras0z_2vsthj7p8gqsuvz5obh_ix7b0 19 comments 6/3/2019 worldnews