Abbeville

Acadia

Accomack

Adair

Adams

Addison

Aiken

Aitkin

Alachua

Alamance

Alameda

Alamosa

Albany

Albemarle

Alcona

Alcorn

Aleutians East Borough

Alexander

Alfalfa

Alger

Allamakee

Allegan

Allegany

Alleghany

Allegheny

Allen

Allendale

Alpena

Amador

Amelia

Amherst

Amite

Anchorage Municipality

Anderson

Andrew

Andrews

Androscoggin

Angelina

Anne Arundel

Anoka

Anson

Antelope

Antrim

Apache

Appanoose

Appling

Appomattox

Aransas

Arapahoe

Archer

Archuleta

Arenac

Arkansas

Arlington

Armstrong

Aroostook

Arthur

Ascension

Ashe

Ashland

Ashley

Ashtabula

Asotin

Assumption

Atascosa

Atchison

Athens

Atkinson

Atlantic

Atoka

None

Dark green areas like parts of Montana, Wyoming, and Colorado, indicate largest increase. Dark purple areas like parts of Kansas, and South Dakota, indicate largest decrease. Smaller changes seen in regions like Idaho, Utah, and Arizona.

Increase or decrease in the amount of land in farms by county, 2007-2012

US Counties

North America

USDA

Change in Acreage of Farmland (U.S.)

Acres

Gabon

Angola

Burundi

Benin

Burkina Faso

Botswana

Côte d'Ivoire

Cameroon

Republic of the Congo

Ghana

Guinea

Equatorial Guinea

Namibia

Chad

Togo

Tanzania

Zambia

Mali

Rwanda

Zimbabwe

Central African Republic

Democratic Republic of Congo

Nigeria

South Sudan

Sub-Saharan Africa

A map highlights areas affected by trypanosomiasis in Africa, including parts of Nigeria, Gabon, Angola, Kenya, Tanzania, and others in West, Central, and East Africa, with the most affected areas shown in yellow.

Locations in Sub-Saharan Africa where trypanosomiasis (sleeping sickness) is endemic

Areas Affected by Trypanosomiasis

nature

Anthropogenic Biomes

Areas at Risk of Soil Degradation

Average Annual Precipitation

Biomes

Climate Zones

Global Mean Temperature, January

Global Mean Temperature, July

Global Surface Warming: Worst-Case Projections (NASA)

Insolation

Land Cover

Major Soil Orders

Prevailing Agricultural Practices

World Elevations