A cold snap in northern oceans around 1970 may have caused a dip in world temperatures that briefly interrupted a trend of global warming, scientists said on Wednesday. Many experts had previously explained a slight global cooling around 1970 as a side-effect of a slow build-up of sun-dimming air pollution from factories, power plants and cars that cleared up in later years with stricter air pollution laws.

See the original post here:
Ocean cold snap paused global warming in 70s

Related Issues:

• Gasoline Versus Diesel Oil for Organic Aerosols
  The exhaust fumes from gasoline vehicles contribute more to the production of a specific type of air pollution-secondary organic aerosols (SOA)-than those from diesel vehicles, according to a new study by scientists from the Cooperative Institute for Research in Environmental Sci...
• Organic Aerosols
  An aerosol is a colloid suspension of fine solid particles or liquid droplets in a gas. Examples are clouds, and air pollution such as smog and smoke In a suburb of smoggy Los Angeles, University of California experts are providing a likely answer to a sticky scientific problem. ...
• Coal Tar Sealant Health Hazards
  Coal tar is a brown or black liquid of extremely high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is incorporated into some parking-lot sealcoat products, which are marketed as a means of protecting and beautifying underlying pavement. Sealcoat prod...
• Coal Tar Sealant Health Hazards
  Coal tar is a brown or black liquid of extremely high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is incorporated into some parking-lot sealcoat products, which are marketed as a means of protecting and beautifying underlying pavement. Sealcoat prod...
• The Future of Trucking is Electric
  Trucking has become the most common mode for transporting goods across the land. However, all those trucks on the road burning diesel fuel can create a great deal of air pollution. Plus, higher gas prices cause increases in the prices of goods. Now is the time to consider the nex...