Humans Are Changing How Nature Smells, With Risks for Wildlife

Scientists warn that climate change, air pollution and farm chemicals are altering natural scent signals that wildlife use to find food, mates and pollinators.

科学家警告，气候变化、空气污染和农业化学品正在改变自然气味信号，影响野生动物寻找食物、配偶和传粉者。