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Space dust analysis could solve mystery of the origins of Earth’s water

Envirotec Magazine

I presented our preliminary results at the Lunar and Planetary Science conference in 2018, and asked if any colleagues in attendance would help us validate our findings with samples of their own. noa, Purdue, Virginia and Northern Arizona Universities, Idaho and Sandia national laboratories all offered to help.

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Xcel Targets $1.4B in Wind and Solar Investments, Outlines Broader Carbon-Reduction Goals

GreenTechMedia

Xcel made waves in late 2018 by setting its own net-zero carbon plans in advance of state mandates. The plan calls for cutting carbon emissions by 80 percent compared to 2005 levels by 2030, up from a 35 percent reduction already achieved by 2018, and eliminating the final 20 percent of its net emissions by midcentury.

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Arizona Utility APS Charts 15-Year Plan on Its Way to Zero-Carbon Energy by 2050

GreenTechMedia

But in 2018 the Arizona Corporation Commission declined to acknowledge the gas-heavy IRPs from APS and Tucson Electric Power Co. The IRP calls for no new gas plants in the next four years, a sharp turnaround from a previous plan that called for up to 5,000 megawatts of gas-fired capacity.