Sustainability challenged as many renewable resources max out

The days of assuming natural resources can be swapped in and out to solve shortages - corn for oil, soy for beef - may be over. An international group of scientists demonstrate that many key resources have peaked in productivity, ...

Technological obsolescence goes hand in hand with economic growth

The growth in the Gross Domestic Product (GDP) of countries is largely linked to technological advance, because the latter encourages productivity. This technological advance is often associated with capital owing to the ...

Invading weed threatens devastation to western rangelands

A new field study confirms that an invasive weed called medusahead has growth advantages over most other grass species, suggesting it will continue to spread across much of the West, disrupt native ecosystems and make millions ...

Education—not fertility—key for economic development

A new study published in the journal Demography shows that improvements in education levels around the world have been key drivers of economic growth in developing countries that has previously been attributed to declines ...

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