It's the season for bush fires in Senegal, and there are once again concerns that vast tracts of fertile land could be set alight, and ravaged.
Leaving the Chadian capital, N'Djamena, isn't what it used to be.
Stretching over more than 4,000 kilometres, the Niger is West Africa's longest river, and greatly threatened in the country of the same name by environmental degradation that is causing the water course to silt up.
In May, Algeria will inaugurate a reserve around a small oasis in the south-west where plants and animals are to be protected in the service of a broader goal. Hopes are that the Taghit National Park will help stop the advance of the Sahara Desert, which already stretches across almost all of this North African country.
Experts from the Inter-State Committee to Fight Drought in the Sahel (Comité inter Etats de lutte contre la sécheresse au Sahel, CILSS) are calling on donors to invest further in the fight against desertification in this region, because of the positive economic effects such investment would have.
The term "property speculation" may not be the first that comes to mind concerning Niger, a country which is mostly desert. Nonetheless, this is exactly what is happening in the West African state.
Every day as he leaves his house for the fields, Ousmane Soro is plagued by questions: "What will become of my harvests for sweet potatoes, sugar cane and mangoes this year? Will I be able to meet my family's needs?"
For those taking up arms against desertification in Niger, the task at hand must seem daunting.
The United Nations Convention to Combat Desertification (UNCCD) requires signatories to create national action plans for dealing with this scourge that allow sustainable development - and encompass participation by communities, amongst others.
The village of Ngouma has a population of 538 people, 406 of which are women. Most of the men, especially those who can still work the fields, have left in the face of land degradation and even desertification.
As recently as 2002, 41-year-old Marie Mutezinka was still able to meet the needs of her four children by farming in Gako, in the Bugesera region of south-east Rwanda.
A call by the United Nations to restore and protect biodiversity in the world through a global convention is seen as being of particular importance to Japan, a leading importer of natural resources.
The severe degradation of the environment and its impact on climate change are dominating discussions currently underway at the 24th meeting of the governing council of the United Nations Environment Programme (UNEP) in the Kenyan capital.
Increasing society's knowledge about wetlands and improving coordination between the different public services involved in the conservation of these valuable ecosystems are among Chile's main challenges at the moment, according to experts.
Thousands of people in Brazil's semi-arid Northeast are slaking their thirst thanks to a technology that is little used in Latin America: the reverse-osmosis membrane, which desalinises and purifies water. A filter designed by Brazilian experts should be ready in two years.
The fourth assessment of the Intergovernmental Panel on Climate Change (IPCC) will confirm catastrophic predictions on global warming and its effect on nature and weather cycles over coming decades.
Zambia is poised to have a maize surplus this season but it is still unlikely that the food will reach many of the 58 percent of Zambians that are classified as extremely poor.
This year's rainy season has brought some mixed blessings to farmers and aid agencies operating in Southern Africa, which experienced a spell of drought and famine last year.
The Namibian government has adopted all the right policies to achieve the United Nations Millennium Development Goal Seven on sustainable environmental practices, but its good intentions have floundered at the implementation stage.
Warmer, wetter and stormier - the largest ever scientific review of climate change will say there is virtually no doubt that emissions from burning fossil fuels are causing the documented rise in global temperatures.
It has been three years since Brahima Ouédraogo, a small-scale farmer from Burkina Faso, arrived in a little village in the Tabou region of south-western Côte d'Ivoire with his family, in search of arable land.