In the half century since the founding of the U.S. Environmental Protection Agency, public and private U.S. sources have spent nearly $5 trillion ($2017) to provide clean rivers, lakes, and drinking water, or annual spending of 0.8 percent of U.S. GDP in most years. Yet over half of rivers and...

While polluted surface water is encountered across most of China, few economic valuation studies have been conducted on water quality changes. Limited information about the economic values associated with those potential water quality improvements or deteriorations is a disadvantage for making...

Bunot Lake has the worst condition compared to the rest of the seven crater lakes of San Pablo City. It is the most polluted one, oversaturated by fish pens/cages, and has the highest concentration of illegal settlements. These attributes strongly suggest that Bunot Lake takes precedence in the...

This paper provides an overview and early evaluation of the Lake Taupo nitrogen cap and trade programme, established as part of Waikato Regional Council's 2011 Regional Plan Variation Five. The policy establishes a catchment-wide cap on nitrogen losses by allocating farmers individual nitrogen...

While polluted surface water is encountered across most of China, few economic valuation studies have been conducted on water quality changes. Limited information about the economic values associated with those potential water quality improvements or deteriorations is a disadvantage for making...

The Philippines is fortunate to have an abundance of small lakes with excellent natural potentials for developing ecotourism. So far, the small lakes are hardly prioritised for ecotourism development, as many are undeveloped, arbitrarily governed and ecologically threatened. This situation is...