Environmental News Network: A recent study, published in Environmental Science and Technology journal and funded by NASA Carbon Cycle & Ecosystems, the National Foundations Long Term Ecological Research Program, and The Andrew W. Mellon Foundation reported that human activity is a major factor behind acid rain and alkalinization of 97 different waterways along the east coast. Alkalinity is a measure of water's ability to neutralize acid. In excess, it can cause ammonia toxicity and algal blooms, altering water quality and...