/channels/taxonomy/term/28417/all en /channels/channels/news/methane-manholes-and-historic-landfills-significant-sources-gas-go-unrecognized-344254 <p>Cities are responsible for almost 1/5<sup>th</sup> of the global methane emissions caused by human activities. But most cities don’t capture information about the full range of sources of this powerful greenhouse gas. In 2020, a team led by ±«ÓãÖ±²¥, measured methane emissions from various sources across the city of Montreal.</p> Tue, 13 Dec 2022 14:11:32 +0000 webfull 185292 at /channels