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But the environmental impact of carbon offsets remains an open question. A ProPublica review of two decades of carbon offsets around the globe found only half of the promised project areas were forested. The investigation showed that many carbon credits did not offset the amount of pollution they pledged to address.

But that may count for nothing eventually without reliable supplies of top-end chips, the key to successful forays into, and dominance of, the premium smartphone segment.

But tech groups are concerned that government regulations would make innovation more difficult, especially for younger, small startups that are less well funded.

By 2035, population density should be limited to no more than 9,000 people per square kilometer, and construction land to 100 sq km, on the planned 155 sq km.

By 2020, the number of outbound travelers is expected to exceed 200 million, surging 63.9 percent over 2016, according to the forecast of China National Tourism Administration.