However, it is yet unknown if the method is an environmental or financial improvement to traditional farming.

然而，尚不清楚这种方法是否环保或能给传统农业带来经济改善。

He says this suggests an environmental improvement of the reserve, as birds naturally choose the most suitable environment for themselves.

由于鸟类总是选择最适合迁徙的环境过冬，因此张鸿说这也说明了保护区环境的改善。

For instance: do some environmental improvements have unintended consequences for whales?

例如：某些环境改善是否会对鲸鱼产生意想不到的后果？

Then in 2020 faced with millions of dollars of mandatory environmental improvements, Pacific Corp the current owner agreed to demolish the four dams and drain the reservoirs.

然后在2020年，面对数百万美元的强制性环境改善，现任所有者太平洋公司同意拆除四座大坝，并排干水库。

According to a three-year action plan on the conservation of the Central Axis, projects related to cultural relics protection, environmental improvement, and resident relocation have been going well, Liu said.

刘洪昌表示，北京市高标准推进《中轴线申遗保护三年行动计划》，保护修缮、环境整治、搬迁腾退等任务不断取得进展。