Environment water is +1 environment. Radiation cleanup +1 environment, -50% radiation - required resources is coal, oil, gold, lead, lumber, iron, marble and aluminum. However unless oil and coal are your default resources that will hurt your environment until you get the wonder National Environment Office $100,000,000 - The national environment office removes the penalties for Coal, Oil, and Uranium when a nation imports them, improves environment by 1 point, increases population +3%, and reduces infrastructure upkeep -3%. Requires 13,000 infrastructure.
For happiness - all the information can be found here. I am too lazy. http://www.cybernations.net/about_topics.asp#Resources_&_Trades