Study casts doubt on carbon capture

One proposed method for reducing carbon dioxide (CO2) levels in the atmosphere—and reducing the risk of climate change—is to capture carbon from the air or prevent it from getting there in the first place. However, research ...

When the dinosaurs died, lichens thrived

When an asteroid smacked into the Earth 66 million years ago, it triggered mass extinctions all over the planet. The most famous victims were the dinosaurs, but early birds, insects, and other life forms took a hit too. The ...

How plants expand their capacity to use solar energy

Green plants capture light that spans the visible solar spectrum, and while a broad spectral range is required for sufficient absorption, the process requires energy to be funneled rapidly and efficiently downhill to drive ...

Will rising carbon dioxide levels really boost plant growth?

Plants have become an unlikely subject of political debate. Many projections suggest that burning fossil fuels and the resulting climate change will make it harder to grow enough food for everyone in the coming decades. But ...

page 9 from 32