Climate change is one of the greatest risks to human societies, but also to biodiversity, often creating a “snowball effect” exacerbating existing pressures such as habitat fragmentation.
The first global treaty dealing with biodiversity was the Ramsar Convention – predating the Rio processes by 20 years.
So great are the contrasts between the frozen empty expanses of the far north and Africa’s baking deserts, steamy rain forests and savannahs that any direct connections between the two seem far-fetched - if they indeed exist at all.
Every winter the Okhla wetlands, a charmed haven in the heart of India’s bustling capital city, play host to Greater Flamingoes, Greylag Geese, Tufted Pochards, Northern Shovelers and other exotic, feathered visitors winging in from colder climes as far away as Siberia.
Migratory birds, which play an important role in the complex web of life known as ecosystem services, are under threat as never before, with some species facing extinction within the next decade.