Urban Gardening Urban gardening transforms small city spaces into productive green areas,...

All over the world, ecosystems are threatened. From forests and drylands to farmlands and lakes,...

Global warming is a long-term increase in the Earth's temperature, caused by the buildup of...

### The Role of Old Trees in Ecosystems   Old trees, often referred to as ancient or veteran...

Water plays an important role in most of the life processes by acting as a solvent. The...