World leaders will turn their focus to gender Tuesday at the U.N. global climate summit in Glasgow, Scotland. Globally, women are more vulnerable to the effects of climate change than men, as they make up a majority of the world's poor and depend most on natural resources, according to the U.N.'s Intergovernmental Panel on Climate Change. In the United States, one subgroup of women are particularly at risk: pregnant women. As global temperatures and emissions rise, so does the impact of climate change on public health. More pollutants from automobiles, fossil fuel plants and smoke from wildfires degrades air quality....