All together now!Photo: Edu van GelderCross-posted from RH Reality Check. Two experts -- Dr. Carmen Barroso, director of International Planned Parenthood Federation (IPPF), Western Hemisphere Region, and Carl Pope, former executive director and current chair of the Sierra Club -- explain the connections between environmental and population issues and how the movements can work together. Q. When did you start to see the synergy between environmental and population issues? A. Carmen Barroso: I remember when we didn't see them. In the 1980s, I was living on the outskirts of Sao Paulo, Brazil, developing a sex-education program with local women's organizations. …

In David Roberts' story about Henry Waxman's long struggle to strengthen the Clean Air Act (part one, two), some important lessons were unavoidably overlooked, because Waxman inherited, struggled with, and never did manage to remedy a serious architectural flaw embedded in the original 1970 version of the law. When I first lobbied on clean air in 1970, there was a crucial but often forgotten fork in the road. Environmentalists urged Senator Edmund Muskie, who was leading the charge, to require that all polluting facilities, new and old, be modernized and cleaned up. When the business community pushed back and told …

This year, Earth Day was bigger than ever, which prompted some hand-wringing over whether too many people were jumping on the green bandwagon. Wait a minute: Earth Day, too big? Didn't we want everyone on this bandwagon? Sustainability is a challenge we all face; our response to it could well define the 21st century. If we are going to succeed, it will take more than a "business as usual" approach. In fact, we believe the whole definition of "business as usual" needs to be upended. Business can no longer afford to ignore environmental warnings; environmentalists can no longer demonize business. …

In December 2004, Sierra Club Executive Director Carl Pope distributed this response to the essay "The Death of Environmentalism." Get the backstory here. There Is Something Different About Global Warming Dear Environmental Grant-Maker: You may have recently received a memorandum entitled "The Death of Environmentalism" by Michael Shellenberger and Ted Nordhaus. Carl Pope. I was one of the twenty-five people interviewed for this piece. While I personally was treated fairly, I am still deeply disappointed and angered by it. I share the thesis that some fundamental changes are needed in the way environmentalists approach the challenge of global warming. But …