. >> reporter: stanford environmental scientist rob jackson says there is historic precedent for that. global greenhouse gas emissions dropped about 1.5% during the 2008 economic crisis. but within two years, they bounce back and kept growing. he fears the same thing could happen again. >> what if when the economy is hurting we no longer care or care to safeguard the environments? >> senate will come to order. >> reporter: although there are signs that's already happening in washington, jackson is optimistic about the number of people and companies learning how to telecommute. >> if we drive less, it will save time and make things healthier. it doesn't have to be shelter in home or clean air. it can be clean air every day. >> reporter: in the meantime, while some crucial climate field science in places like greenland is being disrupted, the unprecedented shutdown ofjç>s m cities is also proving to be a boon for other science as well. >> it has allowed us to really look at certain scenarios. >> reporter: gaby fister is a climate scientist now studying our environment in conditions no o

. >> reporter: stanford environmental scientist rob jackson says there is historic precedent for thatssions dropped about 1.5% during the 2008 economic crisis. but within two years, they bounce back and kept growing. he fears the same thing could happen again. >> what if when the economy is hurting we no longer care or care to safeguard the environments? >> senate will come to order. >> reporter: although there are signs that's already happening in washington, jackson is optimistic about the number of people and companies learning how to telecomm

rob jackson is an environmental scientist at stanford university. if we want to keep breathing in cleaner air, jackson warns, we cannot go back to business as usual. >> what i'm wondering is whether telecommuting will become much more normal. >> reporter: jackson says now is the time to embrace renewable energy. the epa is sending a different message by using the coronavirus pandemic as a reason to relax the enforcement of environmental protection laws. the trump administration decided to roll back pollution controls including vehicle mileage standards and mercury and soot emissions with nations across the globe focusing on the pandemic the u.n. climate talks in scotland were postponed until 2021. environmentalists say the coronavirus pandemic might feel like an existential threat now but underneath it there's another urgent threat. climate change. >> today we're not sure that we can beat climate change. i believe we will. and i hope that the things we learn from the virus and the stimulus funding that goes toward green energy and such can help us mo

recently i sat down and talked to a stanford scientist, rob jackson.e was talking about how we're making a big impact with less carbon dioxide. >> virus is tragic obviously but we need to learn what we can from it. the first recommendation i would give is to take care of people around you, your neighbors, check in and make sure that people are doing okay. but let's remember how nice it is to get on our bikes and ride on a busy road in the middle of a work day. we can do that now with traffic down so much. let's remember how clean our air is and how many lives that would save if we're able to do that every day of every year going forward. >> the bay area air quality management district said they are seeing traffic down by about 70% based on that carbon that's another harmful pollutant nitrogen dioxide that dropped 38% and fine particulates in the air which we normally find during wildfire plummeted by 20%. this is all making a big difference in helping save our planet. we have to think about these things once this shelter at home order is in place. chec

. >> reporter: stanford environmental scientist rob jackson says there's historic precedent for that. the 2008 economic crisis. but within two years, they bounced back and kept growing. he fears the same thing could happen again. >> what if when the economy's hurting we no longer care or care to safeguard the environments? >> the senate will come to order -- >> reporter: although there are signs that's already happening in washington, jackson is optimistic about the number of people and companies learning how to telecommute. >> if we drive less, it will save time and make things healthier. it does it have to be shelter in home or clean air it can be clean air every day. in the meantime, while some crucial climate field science in places like greenland is being disrupted, the unprecedented shutdown of major cities is also proving to be a boon for other science, as well. >> it has allowed us to really look at certain scenarios -- >> reporter: gabriele pfister is a climate scientist studying our environment in conditions no one ever thought would occur. >> assume all passengers cars are

rob: welcome back. the mayor of jacksonmississippi, doubling down on his move to suspend the open carry law amid this pandemic. despite backlash from his community. >> the issue that we have in the city of jackson is that of illegal weapons and so we are not seeking to take away the guns of someone who has a permit to have their gun, someone who is a law-abiding individual. rob: the executive order comes after a series of deadly shootings in the city despite stay at home orders. in one incident there were five shootings within hours of each other, killing an 11-year-old. overnight, a man charged in the drive-by shooting at the estate of duck dine city star willie robertson, daniel king junior is facing aggravated assault, one bullet actually pierced through a window where robertson's son lives with his wife and infant child in louisiana. no word if police are looking for any other suspects. jillian. jillian: joe biden facing calls to drop out of the 2020 race amid sexual assault allegations but his fellow establishment demo

rob: photos like this going viral is lifesavers turned their faith to lift morale, from jackson southedical center in miami. ream has the hydrating power of 5 jars of a prestige cream, which helps plump skin cells and visibly smooth wrinkles. while new olay retinol24... provides visibly smoother, brighter skin. for dramatic skincare results, try olay. and now receive 25% off your purchase at olay.com brand power. helping you buy better. jillian: the democratic national convention in milwaukee is postponed and joe biden and bernie sanders are doing what they can to reach voters online. peter doocy has the latest from the virtual campaign trail. >> reporter: democrats are delaying the crowning of their next nominee. >> having tens of thousands of people in one arena is different from having people walk into a polling booth with accurate spacing, 6 feet apart and having machines comes down. >> reporter: the bernie sanders campaign has no comment on moving from july to august but the ceo of the convention committee explains i'm confident the planning partners will find a way to deliver a