Sentences with phrase «where desertification»

For example, in the drylands of Africa, where desertification is happening, we are seeing food riots and then we are seeing Al Qaeda,» she says, pointing to a study published by UNCCD that explores these links.

The focus is on drylands (that is, not tropical forests), where desertification and population growth pose the biggest threats, says Pritchard.

Not exact matches

In northwest Africa, where what Werz has called an «arc of tension» runs through Nigeria, Niger, Algeria and Morocco, he said the projected massive population growth combined with small - onset changes brought about by climate change — like sea - level rise along the Niger Delta, the loss of hundreds of villages through desertification and the virtual disappearance of Lake Chad — is bad enough.

The knowledge gained here is shared with the world, where the rapid expansion of desert, called desertification, affects 1 billion people in 100 countries.

In many arid parts of the world, desertification is a major issue, and advancing deserts and loss of formerly fertile lands can have a big impact on not just the local environment, but can also affect where and how people live in those areas, many times leading to mass migrations from the country to the cities.

I recently undertook a 6500 km tour through the Kalahari and southern Namibia where the first indications of desertification would become apparent.

This in turn also leads to lateral growth of the Walker Cell — and therefore pole - ward migration (on both hemispheres) of the subtropical subsidence zone, where air under downward force is compressed at the Earth surface and semi-perminent high pressure systems lead to strucutural drought and desertification.

In fact, they not only suffer from the consequences of drought or desertification, but also from the fact that in most cases women do not have rights to land,» she says, before sharing some experiences from Africa where plots of degraded land were restored, but because women did not have rights to the land, they could not stake their claim.

Desertification is a major issue in China, where usable land is lost on an annual basis.

Several African countries have recently begun a program to halt desertification in the Sahel, but even in places where the desert isn't advancing, agricultural lands face challenges from chemically intensive

While I'm not sure about your Antarctica point (global warming would be most intense near the poles), where's the evidence that warming would lead to the cataclysmic desertification portrayed in that map?