* global warming
* Ozone layer
* wastes of all kind including nuclear and release of radiation
* climate change
* species of the fauna and flora becoming extinct
* losses of forest cover and of biological diversity
* the capacity for photosynthesis
* the water cycle
* food production systems
* genetic resources
* chemicals produced for human use and not found in nature and, eventually, reaching the environment with impacts on Earth's waters, soils, air, and ecology