How we can protect and restore our environment
We end this study session with a positive message. Humans not only affect the environment negatively – we can also contribute positively to sustaining it. When we install wastewater treatment plants, protect endangered species and replant forests, we have a positive impact on our environment. Figure 1.12 shows people planting trees to celebrate World Environment Day 2012. With reforestation programmes, the community can benefit from environmental improvements, through effects such as creating more spring water, a higher water table, and less soil erosion and flooding (Rinaudo, 2010).