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Climate Speaker Series: Brian Macpherson


February 24
6:00 pm

The Climate Speaker Series is generously sponsored by Don & Jennifer Holzworth. The Climate Speaker Series brings in leading experts from a variety of backgrounds to explore the ecological and societal impacts of climate change and the creative solutions needed to address humanity’s most pressing problem.

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Perspectives from the Headwater State

Hydrology, Science, and Policy of the Colorado River

The Colorado River system, including the local Eagle River, provides water to nearly 40 million people, irrigates nearly 5.5 million acres of land, and runs through 7 National Wildlife Refuges, 4 National Recreation Areas, and 11 National Parks. It is estimated to support $1.4 trillion in economic activity (1/12 of the U.S. domestic product) and 16 million jobs. Today, the river system is at a tipping point after a 21 year drought, with its largest reservoirs, Lakes Powell and Mead, at their lowest levels since filling, and the 2007 Interim Guidelines, which dictate operation of the river, set to expire in 2025. Brian Macpherson from the Colorado Water Conservation Board will present the major issues facing the river today, the state of the science of the river, the policy and legal framework under which the river operates, and what the state of Colorado is doing to face the challenges.

About the Speaker:

Brian Macpherson (Denver, CO) – Decision Support System Specialist with the Colorado Water Conservation Board

Brian Macpherson (Denver, CO) is the Decision Support System Specialist with the Colorado Water Conservation Board (CWCB). He is a licensed Civil Engineer and worked in water resources consulting focusing on Colorado water rights issues before joining the State. He specializes in water data and modeling and is the program manager for Colorado’s Decision Support Systems – Colorado’s water data and modeling platform. He also represents Colorado on Colorado River Compact issues in negotiations with the 7 Basin States and Mexico and is an expert on the current state of the Colorado River. He serves on the Upper Colorado River Commission (UCRC) Engineering Committee and chairs various workgroups of the Committee.

Generously Supported By:



February 24
6:00 pm - 8:00 pm
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