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New research shows that biodiversity is important not just at the traditional scale of short-term plot experiments—in which ecologists monitor the health of a single meadow, forest grove, or pond after manipulating its species counts—but when measured over decades and across regional landscapes as well.

Shell has set new carbon emissions goals to become a net zero carbon energy company by 2050, but will continue to grow its gas business by more than 20 percent in the next few years.

Understanding how plants respond to stressful environmental conditions is crucial to developing effective strategies for protecting important agricultural crops from a changing climate. New research led by Carnegie’s Zhiyong Wang, Shouling, Xu, and Yang Bi reveals an important process by which plants switch between amplified and dampened stress responses.

The golden-mantled ground squirrel (Callospermophilus lateralis) is a popular sight among tourists in the Rocky Mountains—the small rodent is a photogenic creature with a striped back and pudgy cheeks that store seeds and other food. 

“I spent 15 years removing cats from fenced reserves and national parks,” Katherine Moseby was saying. “And then, all of a sudden, I was putting them back in. It felt very strange to be doing that.”