As a nation's population ages, more and more older people may draw from support systems such as Social Security, yet fewer workers may be around to pay into those systems.
For months I’ve been writing about how hydraulic fracturing is shifting our energy mix from oil to natural gas. From environmental impacts to geopolitics, new horizontal drilling technologies are transforming the 21st century energy landscape.
As global population continues to grow, managing the relationships between water, food and energy is becoming increasingly critical. Businesses need to react to the challenge and be mindful of the important role they play in implementing solutions.
Climate change is bad news for many species. Environments are changing more rapidly than plants and animals can adapt to—or move out of—them.
Trees have rings, horses have teeth and even rocks have radiocarbon decay. But how can you tell an octopus’s age? This isn’t a frivolous question.
New science reveals why cities become more creative and efficient as they grow
Everyone would agree that a million is a lot and a billion is even more, but these types of numbers are hard to intuitively understand. So while you may nod and say, “wow” approvingly when told that there are more than a billion ants living in Manhattan, I bet you have a slightly more visceral [...]
Although a greater life expectancy is seen as normal today, it is a relatively new demographic phenomenon that emerged among people born in the late 19th century