climate change epa

Slight increases in Antarctic sea ice are outweighed by the loss of sea ice in the Arctic during the same time period.Glaciers in the United States and around the world have generally shrunk since the 1960s, and the rate at which glaciers are melting has accelerated over the last decade. Lyme disease is most common in the Northeast and the upper Midwest, where some states now report 50 to 100 more cases of Lyme disease per 100,000 people than they did in 1991.West Nile virus is spread by mosquitoes, whose habitat and populations are influenced by temperature and water availability, among other factors.

Along the U.S. coastline, sea level has risen the most along the Mid-Atlantic and Gulf coasts, in some places by more than 8 inches since 1960.Flooding is becoming more frequent along the U.S. coastline as sea level rises.

The scientific information and tools can be used by communities to effectively and sustainably manage the impacts from a changing world. Nationwide, the rate of reported cases of Lyme disease has approximately doubled since 1991. For example, American lobster, red hake, and black sea bass in the Northeast have moved northward by an average of 119 miles.Leaf growth and flower blooms are examples of natural events whose timing can be influenced by climate change. By far the largest change has taken place in the spring, with the last day of snow shifting earlier by 19 days.The depth or thickness of snow on the ground (snowpack) in early spring decreased at more than 90 percent of measurement sites in the western United States between 1955 and 2016. The annual death rate is higher when accounting for deaths in which heat was reported as a contributing factor. This section of the report helps to illustrate how climate change can affect human health, and demonstrates how EPA’s climate change indicators advance the dialogue in connecting climate change and human health. This data helps policy makers, businesses, and the Agency track greenhouse gas emissions trends and identify opportunities for reducing emissions and increasing efficiency. The annual minimum extent of Arctic sea ice has decreased over time, and in September 2012 it was the smallest ever recorded. Annual heat-related hospitalization rates ranged from fewer than one case per 100,000 people in some states to nearly four cases per 100,000 in others. The Mid-Atlantic region suffers the highest number of coastal flood days and has also experienced the largest increase in frequency over time.The ocean has become more acidic over the past few centuries because of increased levels of atmospheric carbon dioxide, which dissolves in the water.

The occurrence of abnormally high annual precipitation totals has also increased.Tropical storm activity in the Atlantic Ocean, the Caribbean, and the Gulf of Mexico has increased during the past 20 years. From 1960 through 2014, water temperature increased at 79 percent of the stream sites measured in the region. Observations of lilacs and honeysuckles in the contiguous 48 states suggest that first leaf dates and bloom dates show a great deal of year-to-year variability.

Leaf and bloom events are generally happening earlier throughout the North and West but later in much of the South. Water levels in lakes are influenced by water temperature, which affects evaporation rates and ice formation. EPA collects various types of greenhouse gas emissions data. As the U.S. climate has warmed in recent years, heating degree days have decreased and cooling degree days have increased overall, suggesting that Americans need to use less energy for heating and more energy for air conditioning. It may be helpful to think about the difference between weather and climate with an analogy: weather influences what clothes you wear on a given day, while the climate where you live influences the entire wardrobe you buy.

Of the 10 years with the largest acreage burned, nine have occurred since 2000, with many of the largest increases occurring in western states. The Earth's climate has changed many times during the planet's history, with events ranging from ice … Temperature has risen by an average of 1.2°F across all sites and 2.2°F at the sites where trends were statistically significant.Water levels in most of the Great Lakes have declined in the last few decades. The proportion of burned land suffering severe damage each year has ranged from 5 to 21 percent.Changes in temperature, precipitation, snowpack, and glaciers can affect the rate of streamflow and the timing of peak flow. The Inventory of U.S. Greenhouse Gas Emissions and Sinksprovides the United States' official estimate of total national-level greenhouse gas emissions. In recent years, a higher percentage of precipitation in the United States …

Within the United States, temperatures in parts of the North, the West, and Alaska have increased the most.Many extreme temperature conditions are becoming more common.

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climate change epa