1. Spain
   Netherlands
2. Argentina
   Italy

Venice consists of 118 islands connected by nearly 400 bridges and just recently experienced its worst flooding in 50 years. Parts of Venice sunk 6 feet below water in 2019, and rising sea levels are partly responsible.

1. Brazil
   Germany
2. Russia
   Australia

The Amazon rainforest doesn't produce 20% of the world's oxygen, but it produces enough oxygen and water to sustain itself, which is a lot. If just 25% of the trees are chopped down, the forest won't produce enough water to sustain itself and will turn into dry land.

1. Hawaii
   Haiti
2. Australia
   New Zealand

Australia experienced the worst bushfire season on record. The fires began in 2019 and burned well into 2020. They damaged more than 46 million acres, more than 3,000 buildings, more than 2,700 homes and killed an estimated 1 billion animals.

1. Austria
   Greenland
2. Iceland
   Switzerland

As far as climatologists are concerned, Greenland is ground zero of global warming. If all of Greenland's ice melted, the sea level would rise more than 20 feet, and that would have drastic consequences around the world.

1. Israel
   Jamaica
2. Iran
   Egypt

The Dead Sea is shrinking for a variety of reasons, but dry weather, weak rainfall and strong evaporation due to climate change is partly to blame. The sea sits at Earth's lowest surface point and is slowly sinking deeper.

1. New Zealand
   Australia
2. Brazil
   Japan

Japan's capital, Tokyo, is recognized as the most populous metro area in the world with nearly 40 million residents. Conservative estimates say the country will undergo at least $1 trillion in damages due to climate change by the year 2070.

1. Argentina
   Brazil
2. Russia
   China

Almost half of Russia and much of Siberia is uninhabited simply because it's so cold. Most of the land is covered in permafrost, but because of global warming, the land could thaw out and become fertile. The rest of the world will likely have suffered drastic consequences by that time.

1. China
   India
2. South Africa
   Saudi Arabia

India is home to more than 1.3 billion citizens and is on pace to soon overtake China as the most populous country in the world. The country has been experiencing drier climate and hotter temperatures as the the effects of global warming spill all over the world.

1. Greenland
   Haiti
2. The Philippines
   Jamaica

It has been estimated that about 150 million people will be displaced by 2050 because of rising sea levels due to climate change. A majority of those people live in Southeast Asia, and the Philippines would be one of the hardest hit countries.

1. Germany
   Australia
2. Italy
   Spain

The average air temperature has increased significantly over the past 150 years, and this leads to a host a of problems ranging from glacial melting to public health concerns. The increased temperatures also allow pests and viruses to spread easier.

1. Indonesia
   Madagascar
2. Hawaii
   Sri Lanka

Madagascar is home to some of the most unique animals on Earth, and very few of them are found elsewhere. The island country is also at high risk of drought and typhoons because of the effects of climate change.

1. Brazil
   Greenland
2. United States
   Canada

North America and the Arctic are seeing the effects of global warming more than anywhere else on the planet. Canada's snow-covered land is shrinking, its land temperature is rising, and the country is steadily seeing more rainfall and less snowfall.

1. Montana
   Wyoming
2. Maine
   Texas

Glacier National Park is still home to 25 glaciers, but it used to be home to 150 glaciers. Park officials replaced the "Gone by 2020" signs, but scientists still say the last 25 glaciers could be gone within a few decades.

1. Brazil
   Norway
2. Nigeria
   Saudi Arabia

The Svalbard region of Norway is the northernmost part of Europe. The country has been affected by climate change in several ways. Sea levels are rising, permafrost is thawing, and glaciers are melting.

1. Peru
   South Africa
2. Maldives
   France

Maldives is a small island nation in the Arabian Sea with a population of about 400,000 citizens. In a worst case scenario where the ocean levels rise more than 50 inches by the year 2100, Maldives would be completely under water.

1. Haiti
   Hawaii
2. Jamaica
   Puerto Rico

Hurricane Maria landed on Puerto Rico in the summer of 2017 and was the largest hurricane on the island in nearly a century. According to the "Global Climate Risk Index 2020," Puerto Rico has been affected by climate change more than any other country in the world over the past 20 years.

1. Australia
   The Netherlands
2. Argentina
   Italy

The Elfstedentocht is an 11-city ice skating race recognized as the largest sporting event in the Netherlands. The last time the race was held in the Netherlands was 1997 because it hasn't been cold enough for the canals to freeze thick enough.

1. Fiji
   Greenland
2. Spain
   New Zealand

More than 40 people died after Cyclone Winston brought 177 mile per hour winds and devastating rainfall to the islands of Fiji in 2016. The cyclone was the strongest tropical storm recorded in the southern hemisphere.

1. United Arab Emirates
   Saudi Arabia
2. Pakistan
   Iran

The United Arab Emirates is at risk of the effects of climate change because of its location. The country has been facing extremely dry temperatures as well as drought. The rising sea levels also pose a threat to the country's coast.

1. Germany
   France
2. Italy
   Spain

Quality wine begins with quality grapes, and quality grapes are directly controlled by the ground and climate in which they grow. Average temperatures during growing season in the Rhone Valley have significantly increased, forcing winemakers to adapt in major ways.

1. Kenya
   Nigeria
2. Egypt
   South Africa

Maasai Mara is one of the most famous reserves in the world and is home to an abundance of African wildlife. Kenya has declared a state of emergency on multiple occasions after years and years of drought.

1. Denmark
   Australia
2. Argentina
   Antarctica

Between 1992 and 2002, Antarctica was losing 40 billion tons of ice each year, but by 2017, that number increased fivefold to 220 billion tons a year. The average temperature on the continent has also significantly risen.

1. Nigeria
   Egypt
2. Rwanda
   Congo

All of Africa is at great risk of the effects of global warming. Rwanda is no exception. The country has experienced random periods of heavy rainfall and flooding as well as prolonged periods of drought.

1. New Zealand
   Australia
2. Greenland
   Japan

Rising temperatures and melting glaciers are causing sea levels to rise around the world, and New Zealand is at great risk. Water levels are projected to rise close to 20 inches around the country within the century.

1. Haiti
   Puerto Rico
2. Java
   Iceland

Haiti is one of the poorest countries in the world and is at risk of irreparable damage whenever a natural disaster threatens the country. The earthquake that hit in 2010 caused $8 billion in damage and killed 230,000 people.

1. Canada
   Chile
2. South Africa
   China

Mount Everest is the world's highest mountain and is becoming more dangerous to climb because of the melting glaciers and changing terrain. The warming temperatures have also led to an increase in avalanches and falling rocks.

1. Buenos Aires
   San Juan
2. Mexico City
   Bogota

Mexico's average temperature has risen several degrees over the past 50 years. The warming temperature affects everything from agriculture to air pollution, and climate change has been declared the biggest threat facing Mexico.

1. Iraq
   Pakistan
2. Iran
   Saudi Arabia

Cyclone Phet hit Pakistan in 2010. It affected 20 million people and caused nearly $1 billion in damage. Pakistan has consistently ranked in the top 10 countries threatened by climate change because of its location.

1. Apo Reef
   Amazon Reef
2. Great Barrier Reef
   Lyra Reef

Rising temperatures over the past several decades has caused coral bleaching all over the world. Recent studies have found that coral bleaching has caused nearly a 90% decrease in new coral growth on the Great Barrier Reef.

1. Greenland
   Madagascar
2. Sri Lanka
   Indonesia

Being an island, Sri Lanka is at great risk from the effects of climate change. The country ranks as one of the most threatened countries in the 2020 Climate Risk Index. It could face massive displacement as sea levels rise.

1. Tanzania
   South Africa
2. Egypt
   Myanmar

Glaciers around the world are melting, and the same holds true for the glaciers atop Mount Kilimanjaro. The mountain soars more than 19,000 feet high and is Africa's tallest mountain. Scientists say the air around the summit is getting hotter or drier.

1. Pacific Ocean
   Arctic Ocean
2. Atlantic Ocean
   Indian Ocean

The Arctic Ocean freezes every winter and thaws out every summer, but recently, it has been melting faster and taking longer to freeze each year. The melting has greatly affected the polar bear population that relies on the ice for survival.

1. Australia
   Indonesia
2. Iceland
   Japan

Indonesia is the fourth most populated country in the world and home to Java, which is the most populated island in the world. More than 140 million people live on Java and about 260 million people live in Indonesia.

1. Myanmar
   China
2. Japan
   South Korea

Cyclone Nargis originated in the Indian Ocean in 2008 and caused chaos in several Southeast Asian countries. Nearly 140,000 people were killed in Myanmar alone, and the cyclone did about $13 billion in damage in the area.

1. Indonesia
   South Korea
2. Thailand
   Cambodia

Cambodians celebrate the end of the rainy season every year, but with global warming, that celebration is becoming more and more sporadic. The rainy season is dangerous all over the region, and Cambodia is at high risk of global warming.