Green
Animated Map: U.S. Droughts Over the Last 20 Years
Animated Map: U.S. Droughts Over the Last 20 Years
The Western U.S. is experiencing one of the worst recorded droughts in the last 20 years.
Temperatures from California to the Dakotas are currently hovering around 9-12°F above average—but how bad is the situation compared to past years?
This animated map by reddit user /NothingAbnormalHere provides a historical look at droughts in the U.S. since 1999, using data and graphics from the U.S. Drought Monitor (USDM).
What is the U.S. Drought Monitor?
Over the last two decades, the USDM has been tracking, measuring, and comparing droughts across America.
While droughts can be difficult to classify and standardize, there are various factors that can be used to gauge when a region is experiencing drought. These include measurements of snowpack levels, soil moisture, and recent precipitation.
To track these conditions (and make sense of them), the USDM synthesizes data from a plethora of meteorological sources, including the Palmer Drought Severity Index and the Standardized Precipitation Index.
From there, conditions are broken down into categories, ranging from D0 (abnormally dry) to D4 (Exceptional Drought). A map is released each week that shows which states are experiencing drought, and to what degree.
Where Are The Most Drought-Prone Areas?
According to a map created by climatologist Becky Bolinger (which is published on Drought.gov), Arizona and Nevada are the most historically drought-prone states—the two have experienced drought more than 50% of the time tracked by the USDM.
California is high on the list as well, with the state experiencing drought at least 40% of the time.
As the historical data shows, the West is no stranger to droughts. However, this year’s drought has become particularly worrisome because of its intensity and breadth.
Right now, more than a quarter of the West is experiencing a D4 level drought—a new record. To help put things into perspective, here’s a look at how much overall land area in the West has been in drought, since 2000:
When a region is experiencing a D4 drought, possible impacts include:
- Water Scarcity
Lower reservoirs, combined with decreased snowpack lead to water shortages. - Crop losses
Water shortages mean less water for fields, which can lead to acres of fallow (unused) farmland. - Wildfires
Dry conditions and lack of moisture increase the risk of wildfires.
Is This the New Norm?
This record-breaking drought is wreaking havoc across the West. In California, reservoirs have about half as much water as they usually do, and crop failures are happening across Colorado.
The worst part? Some experts believe that this could be the new normal if human-driven climate change continues to increase average temperatures across the globe.
Green
The Carbon Emissions of Gold Mining
Gold has a long history as a precious metal, but just how many carbon emissions does mining it contribute to?


The Carbon Emissions of Gold Mining
As companies progress towards net-zero goals, decarbonizing all sectors, including mining, has become a vital need.
Gold has a long history as a valuable metal due to its rarity, durability, and universal acceptance as a store of value. However, traditional gold mining is a process that is taxing on the environment and a major contributor to the increasing carbon emissions in our atmosphere.
The above infographic from our sponsor Nature’s Vault provides an overview of the global carbon footprint of gold mining.
The Price of Gold
To understand more about the carbon emissions that gold mining contributes to, we need to understand the different scopes that all emissions fall under.
In the mining industry, these are divided into three scopes.
- Scope 1: These include direct emissions from operations.
- Scope 2: These are indirect emissions from power generation.
- Scope 3: These cover all other indirect emissions.
With this in mind, let’s break down annual emissions in CO2e tonnes using data from the World Gold Council as of 2019. Note that total emissions are rounded to the nearest 1,000.
Scope | Type | CO2e tonnes |
---|---|---|
1 | Mining, milling, concentrating and smelting | 45,490,000 |
2 | Electricity | 54,914,000 |
3 | Suppliers, goods, and services | 25,118,000 |
1,2,3 | Recycled Gold | 4,200 |
3 | Jewelry | 828,000 |
3 | Investment | 4,500 |
3 | Electronics | 168 |
TOTAL | 126,359,000 |
Total annual emissions reach around 126,359,000 CO2e tonnes. To put this in perspective, that means that one year’s worth of gold mining is equivalent to burning nearly 300 million barrels of oil.
Gold in Nature’s Vault
A significant portion of gold’s downstream use is either for private investment or placed in banks. In other words, a large amount of gold is mined, milled, smelted, and transported only to be locked away again in a vault.
Nature’s Vault is decarbonizing the gold mining sector for both gold and impact investors by eliminating the most emission-intensive part of the mining process—mining itself.
By creating digital assets like the NaturesGold Token and the Pistol Lake NFT that monetize the preservation of gold in the ground, emissions and the environmental damage associated with gold mining are avoided.
How Does it Work?
Through the same forms of validation used in traditional mining by Canada’s National Instrument NI 43-101 and Australia’s Joint Ore Reserve Committee (JORC), Nature’s Vault first determines that there is gold in an ore body.
Then, using blockchain and asset fractionalization, the mineral rights and quantified in-ground gold associated with these mineral rights are tokenized.
This way, gold for investment can still be used without the emission-intensive process that goes into mining it. Therefore, these digital assets are an environmentally-friendly alternative to traditional gold investments.

Click here to learn more about gold in Nature’s Vault.

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