The rate at which the planet is warming has sped up since 2010, and now researchers say that China's efforts to clean up air ...

Volcanoes are fascinating natural wonders that have both awed and frightened humans for centuries. But could these fiery ...

Sulfate aerosols, whether generated by volcanoes or by humans burning coal, oil, and other fossil fuels, now seemed likely culprits in climate cooling. Early computer models of the global climate ...

We deliver climate news to your inbox like nobody else. Every day or once a week, our original stories and digest of the web's top headlines deliver the full story, for free. ICN provides award ...

Secondary aerosols consist of mixtures of compounds; the main components are sulphate, nitrate, and OC. The main precursor gases are emitted from fossil fuel combustion, but fires and biogenic ...

Purpose: The effects of extreme temperatures on drug delivery of two albuterol sulfate hydrofluoroalkane, metered-dose inhalers (MDIs) were evaluated.Methods. Three Proventil HFA and three ...

Albuterol sulfate 90mcg/inh; metered-dose aerosol (with a dose counter); CFC-free. Proair HFA (albuterol sulfate) Inhalation Aerosol is supplied as a pressurized aluminum canister with a red ...

Secondary aerosols consist of mixtures of compounds; the main components are sulphate, nitrate, and OC. The main precursor gases are emitted from fossil fuel combustion, but fires and biogenic ...

Leak Rate. It is common for MDIs to lose propellant during storage. The propellant-leak rate of the test MDIs was compared with that of the controls (Figure 3). The leak rates for the Proventil ...