The country's forest coverage has grown from eight percent in the early 1950s to 22.96 percent last year, according to Huang.
The deal is part of a larger multiyear partnership between BBC Studios and Tencent that will see the two parties work together to develop and grow BBC Earth Tribe – a Chinese online community for people who are passionate about natural history and science.
The couple were honored as "national role models of the time" in 2014.
The deal, first revealed in March, was completed on Tuesday.
The data also shows that between 2007 and 2018, China has set up 23 Confucius Classrooms in Africa with seven more planned by the end of 2019.
The coupons will go to the catering, retail, home appliance, automobile and sports sectors.
长安区高考补习正规效果好
The country's producer price index, which gauges factory-gate prices, declined by 3 percent year-on-year in June, narrowing from a 3.7 percent decline in May. Looking at the month-on-month change, the PPI turned positive, up by 0.4 percent, contrasting with a 0.4 percent decline in the previous month.
The country's gas output saw a year-on-year rise of 6.3 percent to 129.5 billion cubic meters in the first 10 months of this year. From January to October, imported gas amounted to 72.06 million tonnes, with an increase of 33.1 percent year on year.
The crackdown, jointly conducted by the Cyberspace Administration of China, the Ministry of Public Security, the Ministry of Industry and Information Technology and the State Administration of Market Regulation, will end in December.
The current tour took the Peace Ark to Djibouti, Gabon, Sierra Leone, the Republic of the Congo, Angola, and Mozambique before sailing to Tanzania.