The case could have significant bearing on a range of other lawsuits brought against the fossil fuel industry by cities and states across the country. By Karen Zraick A key statute was designed to ...
Marginal cost measures the cost of producing one more unit of a good. Zero marginal cost occurs when extra units can be produced at no additional cost. Marginal costs include variable costs and can ...
Cities concentrate and amplify how humans affect nature. Biologist and conservationist Wenfei Tong reflects on how birds offer a way for people to connect with and care for nature in cities.
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