³¾Ã©³Ù³ó²¹²Ô±ð /channels/taxonomy/term/24631/all en Methane from manholes and historic landfills: significant sources of gas go unrecognized /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 Methane emissions from abandoned oil and gas wells underestimated /channels/channels/news/methane-emissions-abandoned-oil-and-gas-wells-underestimated-327816 <p><i>Bubbles of methane gas in water around an unplugged </i><i>oil/gas well in Pennsylvania</i><i>. CREDIT: Mary Kang</i></p> Wed, 20 Jan 2021 14:28:04 +0000 webfull 167059 at /channels