Remove 10 scenarios-and-uncertainty
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The CO2 problem in six easy steps (2022 Update)

Real Climate

However, that was written in 2007 – 15 years ago! While the basic steps and concepts have not changed, there’s 15 years of more data, updates in some of the details and concepts, and (it turns out) better graphics to accompany the text. And so, here is a mildly updated and referenced version that should be a little more useful.

Radiation 316
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Switzerland Updates Precautionary Matrix for Synthetic Nanomaterials

Nanotech

According to the information on versions of the precautionary matrix , the revisions include: Definition The European Commission’s (EC) June 10, 2022, Recommendation on the definition of nanomaterial (2022/C 229/01) has been implemented.

2022 45
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Colorado River Forecasts Not a ‘Crystal Ball’

Circle of Blue

Precipitation in the mountains of Colorado is a source of uncertainty for water availability in the Colorado River basin. Reclamation’s other forecasts, updated less frequently, look at mid-term (five years out) and long-term (multiple decades) scenarios. Carl Ganter/Circle of Blue. By Brett Walton, Circle of Blue – September 1, 2021.

2015 350
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What is happening in the Atlantic Ocean to the AMOC?

Real Climate

2022 , see Figure 2. 2022 (my take: quite well). For various reasons I’m motivated to provide an update on my current thinking regarding the slowdown and tipping point of the Atlantic Meridional Overturning Circulation (AMOC). Broecker 1987 who warned about “unpleasant surprises in the greenhouse”. 2021 , see Figure 3.

Ocean 246
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Amid Dire Colorado River Outlook, States Plan to Tap Their Lake Mead Savings Accounts

Circle of Blue

Arizona officials, meanwhile, plan to use 69,100 acre-feet of ICS credits to reduce mandatory cutbacks that will be required in 2022 if Mead declines as projected. They would like to check how the system responds to ICS use under a range of water supply scenarios. By Brett Walton, Circle of Blue.

2007 363
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What Happens If Glen Canyon Dam’s Power Shuts Off?

Circle of Blue

By Brett Walton, Circle of Blue – June 6, 2022. Water in Powell is released through turbines in the dam, generating power that electrifies homes, businesses, rural coops, and irrigation pumps across six states and more than 50 Native American tribes. Carl Ganter/Circle of Blue. Today, the cash registers are ringing at much lower decibels.

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Western Grid Regionalization Is Back on the Drawing Board. Why Now?

Union of Concerned Scientists

To be sure, there are still risks and uncertainties associated with the policy change, and California policymakers should seek solutions that mitigate these risks. To be sure, there are still risks and uncertainties associated with the policy change, and California policymakers should seek solutions that mitigate these risks.

2018 217