birds and pollution

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美國有研究透過觀察博物館收藏的鳥類標本,來研究過去百年前的空氣污染程度。他們發現有些標本的羽毛上沾附煤煙灰,而工業時代初期所收集的標本更有大量煤煙灰。這些數據都有助追蹤過去環境污染物對氣候變化的歷史影響。

researchers in the US studies bird specimens in museums in order to learn about air quality in the past hundreds years. they found out there are soot-covered bird specimens, and those collected during the industrial revolution are covered in more soot. these data would allow them to evaluate the air pollution in the past and its impact to climate changes.

https://www.washingtonpost.com/news/speaking-of-science/wp/2017/10/09/soot-caught-in-bird-feathers-shows-how-catastrophic-air-pollution-can-be/?utm_term=.ed38738cf9e8

http://news.nationalgeographic.com/2017/10/birds-air-pollution-soot-black-carbon-spd/

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