Too much ultraviolet radiation is dangerous for human health. Excessive exposure can cause skin ageing and sunburn and can induce melanoma, cataracts, ocular melanoma, and immunodeficiency.
The danger of fires in the Cape region this season is partly dependent on how the Fynbos has been managed over the past few decades.
Household rat poison is endangering caracals, and other wildlife species in Cape Town, that prey on poisoned rodents. If not managed, this can negatively alter the region's ecosystem.
Humans - the very "carriers" who can spread dangerous microbes unthinkingly from their equipment and shoes - can instead become the first line of defence against a possible microscopic invasion.
A robust technique using the wonders of digital media has helped researchers understand how threatened species like frogs are faring on our globally changing planet.
Restoring habitats have numerous benefits, they can also benefit humanity. But it is for people to be convinced that they can actually do good.