Polar bears could become extinct faster than was feared, study says
Polar bears could be sliding towards extinction faster than previously feared, with the animals facing an increasing struggle to find enough food to survive as climate change steadily transforms their environment.
Whale and shark species at increasing risk from microplastic pollution – study
Whales, some sharks and other marine species such as rays are increasingly at risk from microplastics in the oceans, a new study published in the journal Trends in Ecology and Evolution, suggests.