这更需要我们所有人的努力，加强国际间的相互协调和利用大规模的生态工程项目来“优化”气候，不过，至少目前来说，我们对大部分领域还一无所知。
This will require appropriate human behavior at all levels, and may well involve internationally accepted, large-scale geo-engineering projects to “optimize” climate. At this stage, however, we are still largely treading on terra incognita .