The molecules CF 2 Cl 2 and CFCl 3 are released into the atmosphere following their extensive
use as propellants for aerosol spray cans and in refrigeration. Since they are chemically …

▪ Abstract This paper reviews the available data and models on energy and material flows
through the world's 25 largest cities. Throughput is categorized as stored, transformed, or …

… in 1979 in comparison to Lovelock's data (from figure 5) taken 8 years earlier, while
figure 9 displays our latitudinal CCl 3 F data in 1987 after the passage of another 8 years (Rowland …

Chlorofluoromethanes are being added to the environment in steadily increasing amounts.
These compounds are chemically inert and may remain in the atmosphere for 40–150 years, …

Recent observations by Farman et al. reveal remarkable depletions in the total atmospheric
ozone content in Antarctica. The observed total ozone decreased smoothly during the period …

Relatively little study has been performed on knowledge management and knowledge transfer
in the public sector, and even less in the developing countries. This paper investigates …

The average worldwide tropospheric mixing ratio of methane has increased by 11% from 1.52
parts per million by volume (ppmv) in January 1978 to 1.684 ppmv in September 1987, for …

Whole air samples were collected in 43 Chinese cities in January and February 2001, and
methane and nonmethane hydrocarbon (NMHC) concentrations for those samples are here …

We have designed and developed a data integration and visualization platform that provides
evidence about the association of known and potential drug targets with diseases. The …

Nonmethane hydrocarbons and halocarbons were measured during two Lagrangian
experiments conducted in the lower troposphere of the North Atlantic as part of the June 1992, …