Book excerpt: This issue of Immunology and Allergy Clinics, guest edited by Dr. Jae Won Oh, is devoted to Climate Change and Allergy. Articles in this issue include: Climate change and air pollution: Effects on respiratory allergy, Climate change and its direct and indirect effects on the allergy epidemic, Climate change, aeroallergens and allergic disease: the view from the southern hemisphere, Allergenic pollen season variations in the past two decades under changing climate in the United States, Climate Change and Pollen Allergy in India and the other South Asian Countries, Climate change: extreme weather events in Australia and their impact on allergic diseases, Climate change, air pollution and biodiversity in Asia Pacific and impact on allergic diseases, The Role of Extreme Weather and Climate Events on Asthma Outcomes, Insect migration and changes in venom allergy due to climate change, The impact of climate change on pollen allergy and sensitization rate to pollen, Effect of Climate Change on Allergenic Airborne Pollen in Japan for people with pollen allergy, Forecast for pollen allergy, and more.