Nature is changing as land abandonment increases, say researchers

When people leave their rural lives behind to seek their fortunes in the city or agriculture is no longer profitable, the lands they toiled on are often left unused. A new perspective piece in Science shows that these abandoned ...

Nanoengineered cement shows promise for sealing leaky gas wells

Leaking natural gas wells are considered a potential source of methane emissions, and a new nanomaterial cement mixture could provide an effective, affordable solution for sealing these wells, according to a team of Penn ...

Cheaper, more effective cleanup of abandoned oil and gas wells

Abandoned oil and gas wells are a significant source of greenhouse gases but there are so many scattered across the United States that stopping the leaks presents a huge cost for states. Now, a research team including scientists ...

European grassland butterflies in decline

More than half of Europe's main species of grassland butterflies are in sharp decline as a result of habitat loss, the European Environment Agency (EAA) warned on Tuesday.

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