The earth is an oblate spheroid, and, so far as our means of ascertaining extends, was always of this form. If the earth ... and depressed plains, land and water—in ancient times very similar ...

Linkages between the energy sector, land and water use, and climate change require integrated approaches for assessing strategies for sustainable development. The IAEA, through the Planning and ...

How river catchments work and how they are affected by human activity. The environmental effects of land and water management practices, including land use, irrigation, drainage and nutrient loss, on ...