Upper Atmosphere Research Satellite Upper Atmosphere Research Satellite The Upper Atmosphere Research Satellite (UARS) was a NASA-operated orbital observatory whose mission was to study the Earth’s atmosphere, particularly the protective ozone layer. The satellite was deployed from Space Shuttle "Discovery" during the STS-48 mission on 15 September 1991. It entered Earth orbit at an operational altitude of , with an orbital inclination of 57 degrees. The original mission duration was to be only three years, but was extended several times. When the mission finally ended in June 2005 due to funding cuts, 14 years after the satellite's launch, six of its ten instruments were
Greenhouse debt Greenhouse debt Greenhouse debt is the measure to which an individual person, incorporated association, business enterprise, government instrumentality or / [and] (per Neb., USA) geographic community exceeds its permitted greenhouse footprint and contributes greenhouse gases that contribute to global warming and climate change. The concept makes no sense without a clear numerical value for the permitted greenhouse footprint. It is not clear what this value is. Friends of the Earth and similar organisations put forward the concept to define specifically the environmental harm caused by developed countries' past and present policies. Some governments, at least the Australian Labor leadership, have