Chromium slag treatment was the international environmental protection problem.

铬渣治理是国际性环保科技难题。

youdao

The problem lies in that people still haven't realized the importance of environmental protection.

问题在于人们还没有意识到保护环境的重要性。

youdao

Earlier this year, the Environmental Protection Agency began regulating greenhouse-gas emissions at some energy plants and factories after efforts to address the problem through legislation stalled.

今年早些时候，当解决温室气体排放问题的努力在立法机构搁浅后，环保署开始径自对温室气体排放进行规制。

youdao

However, non-greenhouse gas emissions are not a significant problem, as the U.S. Environmental Protection Agency reports emissions of the Six Principal Pollutants have declined to less than a third of 1980 emissions levels.

FORBES: Obama Unites Global Warming Alarmists, Skeptics In Presidential Debates

The Environmental Protection Agency's announcement contains the simple assertion that greenhouse gas pollution is a serious problem now and for future generations.

BBC: Obama diary: Days 81-90