A group of scientists from around the world is warning that population growth, widespread destruction of natural ecosystems, and climate change may be driving Earth toward an irreversible change in the biosphere, a planet-wide tipping point that would have destructive consequences absent adequate preparation and mitigation.
Jellyfish are increasing in the majority of the world’s coastal ecosystems, according to the first global study of jellyfish abundance by University of British Columbia researchers.
Population trends of native and invasive species of jellyfish by Large Marine Ecosystem. Red increase (high certainty), orange increase (low certainty), green stable/variable, blue decrease, grey no data. Circles represent discrete chronicles with relative sizes reflecting the Confidence Index.
Just one more day till the world population reaches 7 billion. Just 14 more years till the world population reaches 8 billion. We’ve seen how the latest one billion extra people are spread over the different continents. Now we’re wondering … Continue reading →
According to the latest World Population Prospects tomorrow the world’s 7 billionth human inhabitant will be born. That means if you were born in 1968 you placed your first steps on a planet with half as many people as there … Continue reading →
In our series comparing population growth for different sets of countries today we have a special: the new number 4, 5 and 6 of world populations – compared to the biggest decliner, set in the year 2031.
Global patterns of urban population growth are recorded fairly accurately and predictions put the number of people living in urban areas in 2030 at 1.47 billion higher than it is now. But how urban areas evolve to accommodate such great … Continue reading →
The current global network of protected areas is quite extensive, covering 17 million square kilometers of land and 2 million square kilometers of oceans. But the more than 100,000 areas appear to be insufficient to halt global biodiversity loss, according … Continue reading →