Coal ash gets far less attention than toxic and greenhouse gas emissions from power plants, but it has created environmental and health problems - every major river in the Southeast has at least one coal ash pond - and continuing legal troubles and large cleanup costs for the authority and other utilities.
Computers and cellphones - which require semiconductors and microchips to work - have become so essential to life all over the world that it's easy to ignore the problems with building them.
A less icy Arctic is coming, and generally speaking, that's not a good thing. Climate change is warming this region twice as fast as the global average, threatening wildlife and indigenous communities.
Textile manufacturers use complicated chemical and industrial processes to make clothing materials, from cotton to synthetic fibers. And while the environmental consequences aren't always clear, consumption is growing.
I think people who speak and write about climate change and environmental degradation need to convey how interesting and important this topic is, because I'm not sure people will feel empowered to help if they don't feel engaged and called to action.
I don't think I could have - and I wouldn't have wanted to - write a book about climate change that wasn't about justice and equality.
Renewable energy, including from offshore wind, is crucial to the effort to avoid some of the worst effects of climate change, according to environmentalists and some elected officials.
Environmental advocates say that changing how much power computers and monitors use in idle mode can cut greenhouse gas emissions without requiring consumers to change their behavior.