Desktop virtualization is software technology that separates the desktop environment and associated application software from the physical client device that is used to access it.
Atmospheric deposition of reduced nitrogen onto nutrient-limited semi-natural vegetation (unimproved grasslands, heathlands, blanket bog) can cause a shift in the balance of species in these sensitive systems because the nitrogen has a nutrient effect on plant growth.
Pollution is the introduction of harmful contaminants into air, water or soil. These contaminants can have dire effects on entire ecosystems, making life more difficult for humans, plants and animals.