Dr. Roberts describes the El Niño phenomenon and comments on the current El Niño. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a ... Show moreDr. Roberts describes the El Niño phenomenon and comments on the current El Niño. Walter Orr Roberts informal series, "Provocations." Each issue consists of provocative comments related to scientific issues that mostly focus on weather, climate, the sun, or near space, with the aim of creating a forum for discussion. Show less
