If you can tell you are, don't panic. Just please, pretty please, make the corrections before you send even one more out. If you're not sure, consider a few general rules of capitalization: 1  The first word in a sentence should be capitalized.  Formal names and proper nouns should be capitalized.
A draft of a 2007 combined World Bank and SEPA report stated that up to 760,000 people died prematurely each year in China because of air and water pollution. High levels of air pollution in China's cities caused to 350,000-400,000 premature deaths. Another 300,000 died because of indoor air of poor quality. There were 60,000 premature deaths each year because of water of poor quality.
Two thirds or about 102 million of the 159 million people still using surface water live in Sub-Saharan Africa 14. 1 in 9 people world wide do not have access to safe and clean drinking water. 13. 443 million school days are lost each year due to water-related diseases. 4. In developing countries, as much as 80% of illnesses are linked to poor water and sanitation conditions.