What are the causes for the environmental problems?

Corporations appear to hold the true power in United States, leaving the president virtually helpless as the Global Alliance, a coalition of other countries, begins contemplating war with the U.S., due to the worsening worldwide effects of American mismanagement of the environment.
Natural clouds have been replaced by trademarked Clouds™, implying artificial replications due to atmospheric pollution.
Bodies of water have become acidic and toxified.
Human sexual reproduction appears to be no longer possible through natural means. As a result, women undergo in-vitro fertilization and have their children custom-designed.
The corporations is responsible for the feed to have immense power and even run the school system, which is now known as School™.