Nitrogen oxides, a pollutant responsible for the brown ring around the atmosphere and an ingredient that becomes ozone when bombarded by sunlight, will have to be reduced 65 percent to 80 percent for the air basin to meet the ground-level, eight-hour ozone standard (not the peak level), Atwood added. The air in the Los Angeles air basin remains polluted, but not nearly as people remember in 1970 and the 1980s, when smog alerts forced schoolchildren indoors and gas masks were worn on the streets. вЂњThatвЂ™s very impressive, considering the increase in population and vehicles during that same time frame,вЂќ he said. Last year, the peak ozone level for the four-county region was 0.151, a 74 percent decrease, reported Sam Atwood, media relations manager for the South Coast Air Quality Management District. In 1970, the peak one-hour maximum level for ozone, a lung-damaging smog component produced when sunlight cooks emissions from vehicles and refineries, reached 0.58 at the Azusa monitoring station. The comparison of fighting air pollution - something easily seen - with battling carbon emissions that produce incremental climate changes over decades formed the topic du jour this Earth Day among L.A. Some say stopping climate change, for example, is impossible and that adapting is the next step. Now, however, a more insidious gas - carbon dioxide - is enveloping the atmosphere, causing the warming of the entire planet and unleashing extreme weather events along with predictions from UCLA scientists of higher temperatures in inland suburbs, drier years, more wildfires and less snowpack collecting in the Sierra Nevada to satisfy a thirsty Golden State.ДЄs millions around the world celebrate what is labeled the biggest secular holiday, Earth Day, local leaders say the successes since 1970 are many, but the problems - particularly the 800-pound gorilla of global climate change - have grown into a daunting challenge. Gaylord Nelson and Denis Hayes launched the first-ever national rally aimed at healing EarthвЂ™s ills. The air in Southern California has greatly improved since Sen. Today, more than four decades and hundreds of advancements and regulations later, scientists, lawmakers and officeholders can say they got the message. Protesters and lawmakers came together in a miraculous kind of Kumbaya moment to solve the problem of L.A.вЂ™s dirty air that was damaging our lungs and lowering property values. Learn more about the digital divide.Forty-four years ago today during the first Earth Day, skywriting planes inscribed the word вЂњairвЂќ across the rust-colored skies of Los Angeles. Internet access doesn't impact everyone equally.

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Internet provider, connection type, and speed availability may change. Internet data is provided by BroadbandNow for informational purposes only and is not guaranteed. Additional Internet options for this home include Fixed Wireless, Fixed Wireless, Fixed Wireless, Satellite provided by Zeta Broadband, Cal.net, AT&T. The best available Internet option for This home is provided by Viasat Internet, using Satellite technology with speeds up to 50 Mbps. This home is serviced by 5 Internet service providers, including Viasat Internet, Zeta Broadband, Cal.net, AT&T.

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