Last year was the hottest on record. Around the world, we are witnessing more extreme events—from massive forest fires to floods to “hot tub'” ocean temperatures—with devastating consequences for human life and our planet’s biodiversity. Last year was the hottest on record. Around the world, we are witnessing more extreme events—from massive forest fires to floods to “hot tub'” ocean temperatures—with devastating consequences for human life and our planet’s biodiversity. Environment Phys.org – latest science and technology news stories