cleveland lawyer dick pogue. am i correct that you never used zoom until the lockdown began? >> absolutely not. i was amazed when i first saw it. >> apple, google, and microsoft all had their own similar video programs. why do you think zoom became the winner of the pandemic? >> i think it's a simplicity of getting in to the meeting. >> all of the zoom meetings meant fewer people flying and all the closed offices meant fewer people driving. it's not the kind of economy anybody wants of course, but it did lead to some more good news. for the first time in a century, you could hear bird songs in the cities. you coco see fish -- you could in the canals of venice, and blue skies in l.a. at one point, global greenhouse gas emissions dropped the biggest in human history and it's the year that the plastic pollution problem finally got the world's attention. we have been dumping a truckload's worth of trash in to the ocean every minute of every day. and china joined a ban/tax on single use plastic bags. you do not have to be a government to make a difference. she was was fed up with

, of course, to zoom video calls, like the one i had with my 92-year-old dad, cleveland lawyer, dick pogue never used zoom until the lockdown? >> absolutely not. i was amazed. >> reporter: why do you think zoom became the winner of the pandemic? >> i think it is the simplest of getting into the meeting. >> reporter: all of the zoom meetings meant fewer people flying, and all of the closed offices meant fewer people driving. it is not the kind of economy anybody wants, of course, but it did lead to some more good news. for the first time in a century, you could hear birds' songs in the city, you could see fish in the canals of venice, and you could see blue skies in l.a. at one point global greenhouse gas emissions fell 17%, the biggest drop in human history. this is also the year that the plastic pollution problem finally got the world's attention. we've been dumping the equivalent of a truckload's worth of plastic every minute every day. china joined 25 other countries that ban or tax single-use plastic bags. sheila was fed up with the 40 million plastic utensils that restaurants include