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According to the Cheetah Conservation Fund, before 1900, the cheetah population numbered over 100,000 and its range included the majority of Africa through the Middle East and into Asia. Since then, however, the animal has gone extinct in more than 20 countries, with a mere 7,100 animals remaining globally

The hollowing out of the natural world is being driven primarily by human activity, according to the scientists, with a growing global population leading to rising demand for food, goods and natural resources - leaving less land and sea as the preserve of the natural world. The paper also warns that this collapse in global biodiversity will in turn have "grave impacts" on human populations.

On January 31, The Hong Kong Legislative Council voted 49 to 4 to phase out the sale of antique ivory. As Tiffany May at The New York Times reports, the city will ban all sale of ivory, new and antique, by 2021, closing a system that poachers have previously exploited. The move will help staunch a significant player in the ivory market, which drives the destruction of elephant populations. In recent years, the United Nations estimates that poachers kill up to 100 elephants each day, which has devastated their populations.

Research published in the American Journal of Primatology earlier this month finds that the overall Western Chimpanzee population declined by six percent annually between 1990 and 2014, a total decline of 80.2 percent. The main threats to the Western Chimpanzee are almost all man-made. Habitat loss and fragmentation driven by slash-and-burn agriculture, industrial agriculture (including deforestation for oil palm plantations as well as eucalyptus, rubber, and sugar cane developments), and extractive industries like logging, mining, and oil top the list. In response to the finding that the Western Chimpanzee population has dropped so precipitously in less than three decades, the International Union for the Conservation of Nature (IUCN) elevated the subspecies' status to Critically Endangered on its Red List of Threatened Species.

Home improvement chain Lowe's Cos Inc will stop selling a type of pesticide suspected of causing a decline in honeybee populations needed to pollinate key American crops, following a few U.S. retailers who have taken similar steps last year.

Home improvement chain Lowe's Cos Inc will stop selling a type of pesticide suspected of causing a decline in honeybee populations needed to pollinate key American crops, following a few U.S. retailers who have taken similar steps last year.

Bees around the world face a real challenge to sustain their populations in the face of threats such as habitat loss and pesticides. Hawaiian yellow-faced bees are no different, and the US Fish and Wildlife Service (USFWS) has now moved to protect the insects by placing seven species on the endangered list, a first for any type of bee in the US.

Four mechanical engineering students from Nashik have invented a device which is an indicator for the vehicle driver about excessive pollutant levels, while driving. When the engine of the vehicle starts, the sensor fitted in the silencer will sense the exhaust particles and check the limit value. If it exceeds the prescribed limit then a red light will blink as the first indicator, for two hours. Even after the first warning, if there is no change in the limit then there are two more indicators that will blink within a gap of two hours after which the engine will automatically turn off. According to the four inventors, the device will help in tackling the pollution issue, especially in densely-populated and polluted areas.

WWF's Living Planet Report 2016 shows the scale of the challenges we face regarding the future of our planet - and what we can do about it. The Living Planet Index reveals that global populations of fish, birds, mammals, amphibians and reptiles declined by 58 per cent between 1970 and 2012. But if humans can change the planet so profoundly, then it's also in our power to put things right. This report provides possible solutions - including the fundamental changes required in the global food, energy and finance systems to meet the needs of current and future generations.

The euphoria over rise in world tiger population early this year may have been misplaced for India as the official data placed before Parliament shows that 98 tigers died in the country by November 16, 2016, a steep 25 per cent rise over last year when 78 deaths were reported. There are many anti-poaching measures initiated by NTCA which coordinate with state forest departments, but to little avail. In fact, poaching cases increased by more than 100 per cent this year. The figures attribute nearly 30 tiger deaths to poaching this year, which is more than double of last year's figure of 14. Top forest officials that Mail Today spoke with expressed helplessness in their fight against poachers and at times cited "political pressures'' leading to more frequent man-tiger conflict.

What's the best way to protect elephants? One way is refusing to buy ivory-demand for the material stokes poaching, which has demolished elephant populations in Africa. Now, the United States is taking an even stronger stance on ivory in a bid to protect the majestic creatures. As Jada F. Smith reports for The New York Times, the United States will now almost totally ban the sale of African elephant ivory.

A report in the journal Nature Climate Change said climate change and rising sea levels could threaten 13.1 million people living along the coastal United States. The study combines population projections with rising sea level models. The areas with the greatest percentage of people at risk are Florida's Miami-Dade and Broward counties. Smaller communities are threatened too and are dealing now with environmental changes.

BASF has joined a national effort to help monarch butterfly populations by building habitats at several of its chemical complexes in the US, and most recently in Geismar, La. "From our standpoint as a company, sustainability and environmental stewardship are at the core of our operations," said BASF Geismar External Communications Manager Blythe Lamonica.

Economic and population growth on top of climate change could lead to serious water shortages across a broad swath of Asia by the year 2050, a newly published study by MIT scientists has found.

Recent studies have shown, for example that the loss of important predators - from wolves in boreal forests to sharks in seagrass meadows - can lead to growing populations of terrestrial and marine herbivores, whose widespread grazing reduces the ability of ecosystems to absorb carbon.

From the industrial cities of Britain to the forests of Sweden, from the plains of Spain to the shores of the Black Sea, Europe is restoring its rivers to their natural glory. The most densely populated continent on earth is finding space for nature to return along its river banks. 

Just 12% of the global population lives in cities with acceptable air quality, and half of all urbanites are subjected to air pollution levels more than 2.5 times the recommended threshold, according to a new study from the World Health Organization. Mexico City, Karachi and Delhi are among the worst offenders, and researchers also found poor air quality in the U.S. and in European metropolises such as Paris and London

Between 1970 and 2010 populations of mammals, birds, reptiles, amphibians, and fish around the globe dropped 52 percent, says the 2014 Living Planet Report released today by World Wildlife Fund (WWF). 

From deforestation to irrigation to species loss, the expanding human population has been dramatically re-shaping the face of the Earth. These interactive maps bring together a wealth of satellite imagery and other data sets to create an atlas of humanity's influence on the planet.

The U.S. could reduce electricity costs by $7.68 billion per year by installing 54 gigawatts of offshore wind power, according to a study supported by the Department of Energy. The goal of the National Offshore Wind Energy Grid Interconnection Study was "to identify and help address the market barriers to the large-scale introduction of offshore wind energy into the U.S. energy portfolio," according to its authors. The report said offshore wind power could be especially useful in densely populated coastal areas

Delta Airlines, United Airlines and American Airlines have all banned big-game trophies from their cargo holds after the public outcry regarding the illegal killing of Cecil, a beloved lion, at the hands of a Minnesota man. Hunting advocates say their pastime is needed to fund conservation in Africa and warn that the backlash could lead to a sharp reduction in lion populations. "Through the sales of hunting licenses, equipment, tags, and so on, sportsmen contribute $2.9 billion every year for conservation," according to Olivia Nalos Opre, co-host of a hunting-themed TV show. BBC (8/4), FoxNews.com (8/4)