Mapped: 30 Years of Deforestation and Forest Growth, by Country
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Mapped: 30 Years of Deforestation and Forest Growth, by Country

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map of deforestation around the world over 30 years

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Global Deforestation and Forest Growth over 30 Years

Forests are the great carbon capturers of our planet, and they are a key source of wildlife habitats and vital resources for people around the world.

But deforestation is threatening this natural infrastructure, releasing carbon into the atmosphere while simultaneously reducing wildlife diversity and making our environment more susceptible to environmental disasters.

This graphic looks at global deforestation and forest growth over the past 30 years, mapping out the net forest change by country and region using data from the UN’s Food and Agriculture Organization ( FAO ).

The State of Deforestation by Region

Today, forests make up around 31% of the Earth’s total land area, spanning 15.68 million square miles (40.6 million km²). Over the past three decades, the world lost a bit more than 4% (685,300 square miles) of its forests, which equates to an area about half the size of India.

Europe and Asia were the only two regions which had significant overall forest growth during this time period, while Oceania saw no significant change and North and Central America saw a slight reduction.

Region Forest area change (1990-2020) Percentage change in forest area
Asia +146,718 sq mi +6.64%
Europe +88,803 sq mi +2.34%
Oceania +1,057 sq mi +0.0015%
North America and Central America -7,722 sq mi -0.34%
South America and the Caribbean -501,932 sq mi -13.30%
Africa -409,268 sq mi -14.29%
Global total -685,401 sq mi -4.19%

Source: UN Food and Agriculture Organization

Africa along with South America and the Caribbean were the regions with the greatest amount of net forest loss, both losing more than 13% of their forests over the past 30 years. This is largely because these two regions have large amounts of forest area available, with the underlying land in high demand for agriculture and cattle-raising.

Although the overall forest loss around the world is massive, the rate of forest loss has slowed down over the past three decades. While an average of 30,116 square miles were lost each year between 1990 to 2000, between 2010 to 2020 that number has dropped to 18,146 square miles, showing that the rate of overall loss has fallen by almost 40%.

The Countries and Drivers of Deforestation and Forest Growth

Despite an overall slowing down of forest loss, certain countries in South America along with the entirety of Africa are still showing an increase in the rate of forest loss. It’s in these regions where most of the countries with the largest reduction in forest area are located:

Country Net change in forest area (1990-2020) Percentage change in forest area
Brazil -356,287 sq mi -15.67%
Indonesia -101,977 sq mi -22.28%
Democratic Republic of the Congo -94,495 sq mi -16.25%
Angola -48,865 sq mi -15.97%
Tanzania -44,962 sq mi -20.29%
Myanmar -41,213 sq mi -27.22%
Paraguay -36,463 sq mi -36.97%
Bolivia -26,915 sq mi -12.06%
Mozambique -25,614 sq mi -15.29%
Argentina -25,602 sq mi -18.84%

Source: UN Food and Agriculture Organization

Brazil, home to most of the Amazon rainforest, saw 356,287 square miles of net forest loss, largely fueled by farmers using the land to raise cattle for beef. It’s estimated that 80% of the deforested land area of the Amazon has been replaced with pastures, with the resulting beef production known to be among the worst meats for the environment in terms of carbon emissions.

The other great driver of deforestation is seed and palm oil agriculture. These oils account for about 20% of the world’s deforestation carbon emissions, and their production concentrated in Indonesia and Malaysia is now expanding to other Asian countries along with Africa.

While the demand for beef and palm oils drives deforestation, initiatives like the Central African Forest Initiative ( CAFI ) are providing incentives to protect forest land.

Select countries in the European Union along with the United Kingdom and South Korea have committed $494.7 million to six central African nations (Cameroon, Gabon, Central African Republic, Democratic Republic of the Congo, Equatorial Guinea, and the Republic of Congo) for them to preserve their forests and pursue low emission pathways for sustainable development. The initiative has seen $202 million transferred thus far and an anticipated reduction of 75 million tons of CO 2 emissions .

Forests and the Climate Crisis

It’s estimated that forests absorb around 30% of the world’s carbon emissions each year, making them the greatest and most important carbon sinks we have on land. When you pair this with the fact that deforestation contributes around 12% of annual greenhouse gas emissions , the importance of forest preservation becomes even more clear.

But we often forget how much forests protect our environment by acting as natural buffers against extreme weather. Forests increase and ensure rainfall security , making nearby land areas significantly less susceptible to wildfires and natural droughts in hot and dry seasons along with flooding and landslides in wet seasons.

With every dollar invested in landscape restoration yielding up to $30 in benefits, reducing deforestation and investing in reforestation is considered an effective way to reduce the difficulty and costs of meeting climate and environmental protection goals. This is without even considering the benefits of maintaining the world’s largest wildlife habitat and source of species diversity, the home of the nearly 70 million indigenous people who live in forests, and the livelihood of 1.6 billion people who rely on forests every day.

Preserving and Regrowing Forests for the Future

Despite the short-term acceleration in forest loss seen in 2020, there have been positive signs about forest regrowth coming to light. A recent study found that previously deforested land can recuperate its soil fertility in about a decade, and layered plants, trees, and species diversity can recover in around 25-60 years.

Along with this, in some instances these regrowing “secondary forests” can absorb more carbon dioxide than “primary forests”, giving hope that a global reforestation effort can absorb more emissions than previously thought possible.

From better financial incentives for local farmers and ranchers to preserve forest area to larger scale policies and initiatives like CAFI, curbing deforestation and promoting reforestation requires a global effort. Reversing forest loss in the coming decades is a daunting but necessary step towards stabilizing the climate and preserving the environment that billions of animals and people rely on.

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Energy

Map: Oil and Gas Spills in the U.S. Since 2010

Oil and gas spills can be messy, but where are they most likely to occur? This graphic looks at oil and gas spills in the U.S. since 2010.

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Mapped: Oil and Gas Spills in the U.S. Since 2010

The recent energy crisis has highlighted the integral role that hydrocarbons play in fueling the modern world, but these fossil fuels still come with their fair share of downsides.

Aside from the obvious climate impact they bring, one other downside in particular is spills, which can lead to ecological and economic damage. These can happen due to pipeline leaks, train derailments , or other industrial disasters.

This graphic from Preyash Shah provides a visual overview of every oil and gas spill in the contiguous U.S. since 2010. Data is tracked by the U.S. government’s Pipeline and Hazardous Materials Safety Administration (PHMSA).

U.S. Oil and Gas Spills (2010‒2022)

The majority of spills that have occurred come mostly from crude oil , followed by petroleum products and gas. Note that this data covers the quantity of spills and not damages or volume.

Spills by Product Type Portion of all U.S. Spills
Crude oil 51%
Petroleum products 32%
Diesel 14%
Gasoline 13%
Others 5%
Highly volatile liquids & flammable gas 16%
Liquefied petroleum gas / natural gas liquids 8%
Other highly volatile liquids 6%
Anhydrous ammonia 2%
Others 3%
Carbon dioxide 2%
Biofuel 1%
Data figures add to 102% due to rounding errors, bolded figures represent the sum of subcategories

Crude oil, which makes up just over half of documented spills, is also one of the most costly. Contaminations can persist for years after a spill, and its impact on local mammals and waterfowl is particularly harsh.

This has been the case with the Deepwater Horizon spill (also known as the “BP oil spill”), which experts say is still causing harm in the Gulf of Mexico.

Other products with lots of spills include petroleum products such as diesel or gasoline, as well as liquefied natural gas or other volatile liquids. Interestingly, liquefied carbon dioxide can also be transported in pipelines , commonly used for carbon capture storage, but requires high pressure to maintain its state.

When looking at the location of spills, it’s clear that the South Central states have experienced the highest number of disasters. In contrast, the West Coast has had substantially less activity. However, this makes much more sense when looking at the dominant oil producing states , where Texas and surrounding neighbors reign supreme.

Rank State Oil & Gas Spills (2010-2022)
1 Texas 1936
2 Oklahoma 407
3 Louisiana 297
4 California 253
5 Kansas 208
6 Illinois 181
7 Wyoming 155
8 New Jersey 128
9 New Mexico 114
10 North Dakota 98
11 Indiana 93
12 Minnesota 83
13 Ohio 82
14 Pennsylvania 71
15 Iowa 66
16 Missouri 65
17 Michigan 56
18 Colorado 55
19 Mississippi 53
20 Montana 46
21 Wisconsin 42
22 Alabama 36
23 Arkansas 33
24 Newbraska 31
25 Georgia 28
26 Virginia 27
27 North Carolina 24
28 Kentucky 21
29 South Carolina 19
30 Alaska 16
30 New York 16
32 Tennessee 15
33 South Dakota 14
33 Washington 14
35 Florida 13
36 Maryland 11
37 Utah 9
38 Idaho 8
38 Oregon 8
40 Hawaii 7
41 West Virginia 6
42 Massachesueuts 3
43 Conneticut 2
43 Maine 2
43 Nevada 2
43 Puerto Rico 2
47 Arizona 0
47 Delaware 0
47 New Hampshire 0
47 Vermont 0

Of the 4,901 spills during this period, Texas accounts for 1,936 or roughly 40% of all oil and gas spills . This is followed by Oklahoma, which has had 407 spills and is one of the largest net exporters of oil and gas in the country.

What Causes Spills?

Oil and gas spills actually have a surprisingly long history, with one of the earliest dating back to 1889 , when a spill was reported on the coast between Los Angeles and San Diego.

Causes have consisted primarily of weather, natural disasters, equipment and technological malfunction, as well as human error.

However, they only became a widespread problem around the halfway mark of the 20th century, when petroleum extraction and production really began to take off. This era also saw the emergence of supertankers, which can transport half a million tons of oil but therefore make the risk of spills even costlier.

In fact, the biggest spill off U.S. waters after the Deepwater Horizon disaster is the 1989 Exxon Valdez spill in Alaska, when a tanker crashed into a reef and 11 million gallons of oil spilled into the Pacific Ocean.

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