Smog, definition of

Climate change is a change in the statistical distribution of weather over periods of time that range from decades to millions of years. It can be a change in the average weather or a change in the distribution of weather events around an average (for example, greater or fewer extreme weather events). Climate change may be limited to a specific region, or may occur across the whole Earth.

In recent usage, especially in the context of environmental policy, climate change usually refers to changes in modern climate. It may be qualified as anthropogenic climate change, more generally known as global warming.

Wikipedia - Climate Change entry

• Los Angeles gets an F in air quality
  As more people are vaccinated and start to put the pandemic behind them, life gets a little more normal. Restaurants reopen, people get together with a few friends and Los Angeles' notorious air quality gets back to its nasty self. As far as ozone pollution...
• Can paint eat smog? Volkswagen thinks so.
  People in cities like London, Cardiff, Manchester, Bristol, Birmingham and Bristol may notice a new series of Volkswagen ads being painted on exterior walls of buildings...
• To reduce air pollution, New Delhi restricts cars to alternate days on the road
  Air pollution in New Delhi has reached its worst levels this year, prompting the Indian government to legislate for a two-week rationing of private car usage...
• Students taking Lyft and Uber to class are taking LA's smog problem from bad to worse
  Environmentalists are concerned by the number of students using transportation services like Lyft and Uber to get to classes. Students at UCLA specifically use these alternative means of transportation around 11,000 times per week, and that is troublesome...
• Toxic smog causes school closures in Bangkok
  Officials in Bangkok have closed schools for the rest of the week amid growing concerns of toxic smog. The Ministry of Education in Thailand announced the closing of around 450 schools in Bangkok and the surrounding area this week as the government tries...
• Kenya: Solar motorcycles take on Nairobi smog
  From The Mail & Guardian Sophie Mbuguah , Deutsche Welle06 Jan 2019 11:45 No comment.  But they did win prize money ~ctm Nairobi’s reliance on motorcycles is hindering efforts to reduce carbon emissions, as manufacturers struggle to adapt to clean...
• California plans to launch its own satellite to monitor air pollution
  California has promised to launch its own satellite to track air quality in the fight against air pollution. Governor Jerry Brown announced the major initiative amid President Donald Trump’s bid to decrease NASA’s part in monitoring climate change....
• Shanxi combats air pollution in China with smog curbs to 2020
  Shanxi province is China's primary coal mining hub and a major industrial manufacturing region. The province is now planning to voluntarily curb production of its goods over the course of the next three winters in an effort to cut down on smog pollution...
• The Philippines envisions a green smart city to combat pollution in Manila
  Traffic is an unpleasant facet of life in cities, but in Manila, the most densely populated city in the world, it’s a severe drain on the economy and the quality of life of residents...
• Pollution Pods let visitors taste pollution from around the world
  Air pollution is a silent killer responsible for millions of death worldwide. In a bid to highlight the environmental problem, British artist Michael Pinsky set up five interconnected geodesic domes, dubbed the “pollution pods,” that let passersby...