| These gases are released from aerosols, refrigeration units, insulating foams, and industrial plants. |
| Straight lines are solar radiation, partly reflected back to space by dust and aerosols. |
| Scientists measure the amount of carbon dioxide, methane, sulfur aerosols, ozone, dust, and other chemicals in ice cores. |
| Also, of course, there are the wider concerns about environmental damage from aerosols and litter from packaging. |
| Such devices have been available for many years for the delivery of asthma medications in the form of small, pressurised aerosols. |
| Because the release of aerosols is centered over land, its cooling effects tend to be localized over continents. |
