Creative thinking is the advanced form of human 's thinking and intellectual activities.

创造性思维是人类思维和智力活动的高级形态。

youdao

However,human activities are threatening the world's coral reefs.

VOA: special.2010.08.10

To this list must now evidently be included Ames' very serious compromise of U.S. human intelligence collection activities and counter-intelligence programs designed to protect American secrets from Russian spies.

CENTERFORSECURITYPOLICY: Center For Security Policy

What I do know is that even if the earth is warming, and even if it's due to human activities, any significant lowering of emissions will be too costly, too little and too late.

FORBES: Beyond Copenhagen

Geological surveys show America has enough saline rock formations to store three trillion tons of carbon dioxide enough for the next 500 years at the country's current output from human activities.

ECONOMIST: Tech.view