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Think UHI doesn’t affect the climate? Think again.

From AGU: More urban heat; less summer fog, on California coast Larry O’Hanlon writes on the AGU blog Geospace: The summer fog that shrouds coastal southern California – what locals call the June Gloom – is being driven up into the sky by urban sprawl, according to scientists who have studied 67 years of cloud…

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Study: Green household products have hidden toxic hazards

From the University of Melbourne: Hidden hazards found in green products Dr. Anne Steinemann, Professor of Civil Engineering, and the Chair of Sustainable Cities, from the Department of Infrastructure Engineering, Melbourne School of Engineering, is a world expert on environmental pollutants, air quality, and health effects. Professor Steinemann investigated and compared volatile organic compounds (VOCs)…

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State of the Sea Ice – February 2015

Guest essay by Robert A Cook, PE Sea ice concentration, north and south poles as observed by satellite. Image from University of Illinois Cryosphere Today In particular, for the twenty-second of each month, we will calculate and present for discussion: that day’s solar radiation level at top of atmosphere (TOA), that day’s declination angle (the…

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Lago Enriquillo Revisted

Guest Essay by Kip Hansen Last January, I wrote about the curious case of Lago Enriquillo in the Dominican Republic, the “Dead Sea of the DR” – a super-saline lake that lies about 140 feet below sea level in the east of the country right up against the border with Haiti. The lake has been…