Amazon is swiftly becoming a ______ retailer by letting other companies sell products on its site.

Greenhouse gases are being released into the atmosphere 30 times faster than the time when the Earth experienced a ______ episode of global warming.

Far from becoming ______ online shoppers are very demanding.

Online shoppers now read not only the sales _______ but also reviews from previous purchasers.

"This will be the same amount of carbon released into the atmosphere from cars and industrial emissions over the next 300 years if present ____ continue", Zachos said.

During America's last Thanksgiving weekend, Amazon's sales of consumer electronics in the United States ________ its book sales for the first time in its history.

Zachos warned that studies of global warming events in the geological past _______ we are reaching dangerous new levels.

Zachos is a leading ______ on the episode of global warming known as the palaeocene-eocene thermal maximum.

It seems the Earth's climate passes a _______ beyond which climate change accelerates with the help of positive feedbacks - vicious circles of warming.

The ocean is capable of removing carbon, and quickly, but this natural process can be easily ______.

A study comparing the rate at which carbon dioxide and methane are being _______ now, 55 has found dramatic differences in the speed of release.

Other transformations in the retail business are ______ to follow the trend of Amazon.

The ocean is capable of removing carbon, and quickly, but this natural _____ can be too much.