Earth aching under excess weight

Obesity is not just a serious health hazard, it's an environmental problem as well, as a new study has found that our fast growing waistlines are putting an extra weight of 242 million people on the Earth.

Researchers from the London School of Hygiene & Tropical Medicine [LSHTM] estimated that the adult human population now weighs in at 287 million tonnes, 15 million of which is due to the overweight and 3.5 million due to obesity.

That's the equivalent of the extra weight of about 170 military aircraft carriers or the weight of an additional 242 million people having an average body mass on the planet, the researchers said.

This is, they said, just an attempt to make humans feel uncomfortable about their expanding waistline; looking at the collective mass of humanity can improve understanding of the effects of population growth, LiveScience reported.

Writing in the journal BMC Public Health, the researchers said: 'United Nations world population projections suggest that by 2050 there could be an additional 2.3 billion people.

The ecological implications of rising population numbers will be exacerbated by increases in average body mass.' The argument is simple. More body mass takes more energy to maintain.
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