Spiralling global population and over-consumption are threatening the future health of the planet, according to a latest survey of the Earth's health.
The environmental conservation charity World Wildlife Fund (WWF) in a report released on Tuesday said the demand on natural resources has become unsustainable and is putting "tremendous" pressure on the planet's biodiversity.
WWF named Qatar as the country with the largest ecological footprint, followed by its Gulf Arab neighbours Kuwait and the United Arab Emirates.
Denmark and the United States made up the remaining top five, calculated by comparing the renewable resources consumed against the earth's regenerative capacity.
The Living Planet Report found that high-income countries have an ecological footprint on average five times that of low-income ones.
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