https://padlet.com/hockeyjos/zi4181nkh5xjpjcm Based on Oxford en-us 2022-02-09 03:21:43 UTC 2022-06-13 05:56:22 UTC hello@padlet.com https://padlet.net/icons/png/1f435.png hockeyjos https://padlet.com/hockeyjos/zi4181nkh5xjpjcm/wish/2037014679 The loss of productivity and decline in fertility of land-based environments as a result of human activities.

Soil Degradation:
Soil degradation refers to the loss of fertility or nutrient in the soil.
Greatest problems for Australia is the building up of salt in the topsoil.

Soil Erosion:
Soil erosion is when soil is gradually word away by natural phenomena.
Clear land is more valuable to wind erosion, gully erosion and sheet erosion. Much of Australia is at risk from one or more of these types of erosions.

Ecosystem Decline:
The natural ecosystems of an area can become degraded.
Degradation of an area can lead to desification.]]> 2022-02-09 03:39:13 UTC https://padlet.com/hockeyjos/zi4181nkh5xjpjcm/wish/2037014679 hockeyjos https://padlet.com/hockeyjos/zi4181nkh5xjpjcm/wish/2037024061 The atmosphere that surrounds the Earth is slowly being degraded by pollutants, mainly carbon, nitrogen and sulfur.

Air Pollution:
Air pollution is considered to be the world's worst environmental health risk today.]]> 2022-02-09 03:46:36 UTC https://padlet.com/hockeyjos/zi4181nkh5xjpjcm/wish/2037024061