Geography of Taiwan water supplies, and trade in endangered species. Though regulation of sulfate aerosol emissions from petroleum combustion is becoming stringent, acid rain remains a threat to the health of residents and forests. Atmospheric scientists in Taiwan estimate that more than half of the pollutants causing Taiwan's acid rain are carried from mainland China by monsoon winds. Geography of Taiwan Taiwan, formerly known as Formosa, is an island in East Asia; located some off the southeastern coast of mainland China across the Taiwan Strait. It has an area of , which includes other nearby islands such as Penghu (). The East China
Politics of the Republic of China links will lead to tighter economic and thus political integration with the PRC, and in the 2006 Lunar New Year Speech, Chen Shui-bian called for managed opening of links. Mainland China and Taiwan resumed regular direct flights or cross-Strait relations on 4 July 2008, after six decades, as a "new start" in their tense relations. Liu Shaoyong, chair of China Southern Airlines, piloted the first flight from Guangzhou to Taipei (Taoyuan International Airport). Simultaneously, a Taiwan-based China Airlines flight flew to Shanghai. Five mainland Chinese cities will be connected with eight Taiwan airports, with 4 days a week, 36 round-trip