When the speed of human innovation and its transfer were not fast enough to keep pace with rapid ecologicalchange, famine and disease became difficult to avoid.
如果人类社会的变革或生存方式的转换速度不能适应于生态环境的急剧恶化，饥荒和瘟疫必将不可避免地发生。
2
The research of land use change is the important foundation for the ecologicalchange research, which is also the policy-making basis for regulating the human behavior.
土地利用变化的研究是生态环境变化研究的重要基础，也是调控人类行为的科学决策依据。
3
We need an acknowledgement of our present ecological plight but also a language of positive change, visions of a better future.