April 22 will mark Earth Day worldwide, an event now in its 42nd year and observed in 175 countries. The original grass-roots environmental action helped spur the Clean Water Act and Clean Air Act in the United States. Gathered here are images of our planet's environment, efforts to utilize renewable alternative sources of energy, and the effects of different forms of pollution. -- Lane Turner and Leanne Burden Seidel (35 photos total)
A ladybug in flight spreads its wings as it flutters from grass blade to grass blade at Rooks Park in Walla Walla, Wash. on April 2, 2012. (Jeff Horner/Walla Walla Union-Bulletin/Associated Press)
- Afghanistan
- afghanistan africa
- Africa
- Amir Cohen
- Andre Borschberg
- Andre Kuipers
- Antarctica
- Antonio Parrinello
- Atacama desert
- Australia
- Ballona Creek
- Beijing
- Belarus
- Borneo Island
- Bosnia
- Boston Globe
- Brehec bay
- Brendon O'Hagan
- burial site
- Calama
- California
- Calipatria
- cellular telephone
- Charlestown
- Cheryl Ravelo
- Chile
- China
- China Central Television
- Cleveland
- Cleveland State University
- Clifford Goudey
- Cuzco
- David Loh
- David McNew
- Delhi
- Democratic Republic of Congo
- Dina Rudick
- Earth Day
- easter
- ED JONES
- electric utilities
- electricity
- energy
- energy-saving technologies
- energy-saving technologies
- engineering technology
- enormous energy crisis
- Environment
- ESA
- Farooq Naeem
- France
- Fred Tanneau
- Fuentes de Andalucia
- gas mask
- gas masks
- geothermal energy plant
- Germany
- Getty Images
- Getty Images
- Glarus
- Gwenn Duborthomieu
- Halliberu
- holy week
- Ibi
- illegal oil refinery
- India
- Indonesia
- iPhone
- Israel
- Italy
- Japan
- Jeff Horner
- Jeff Horner/Walla Walla Union
- Jian River
- Jigokudani valley
- Josh Reynolds
- Karen Gleason
- Kawasaki City
- Kenya
- Lane Turner
- Leanne Burden Seidel
- Leonardo Bravo
- Lisa Poole
- Los Angeles
- Los Angeles Times
- Luoyang
- M.I.T
- Majid Rashidi
- Manila
- Manila Bay
- Marcelo del Pozo
- Mariana Bazo
- Martin Bernetti
- Massachusetts
- Mexico City
- Mount Etna
- Mount Vrenelisgaertli
- Murree
- Nagano Prefecture
- National Aeronautics and Space Administration
- Negev desert
- New Delhi
- New Zealand
- New Zealand reef
- Newburyport
- Nigeria
- North Korea
- NY Times Co.
- Octavia Ccahuata
- Pakistan
- Peru
- Plouezec
- Ramon Crater
- religion science society sports technology
- religion science society sports technology
- river Yamuna
- Sajjad Hussain
- Salton Sea
- Sampit
- Sarawak
- Savichi
- Shanghang
- Sicily
- Sicily
- Singapore
- so-called microgrids
- solar car race
- Solar Impulse
- Spain
- Stock photography
- the Boston Globe
- Toby Melville
- Tokyo Electric Power Co
- TONY KARUMBA
- U.S. Embassy
- United Nations
- United States
- Vasily Fedosenko
- Waihi Beach
- Walla Walla
- Washington
- water network
- wave energy converter prototype
- Wind Blade Testing Center
- Yamuna river
- Your Town
- Yusuf Ahmad
The best photos of 2011 from around the globe. Warning: All images in this entry are shown in full, not screened out for graphic content. Some images contain dead bodies, graphic content and tragic events. We consider these images an important part of human history.
- 87th Infantry Regiment
- Abottabad
- Afghanistan
- Africa
- Ahmed Farhan
- Ajdabiyah
- Al Faisaliyah Center
- Alex Wong
- Ali Salem el-Faizani
- Alpine FIS
- Andrea Bruce/The New York Times
- Andy Murray
- animal feeds producers
- Antonio Cromartie
- Argentina
- Army
- Ashley Gilbertson/The New York Times
- Assam
- Australia
- Bahrain
- Bangladesh
- Barack Obama
- Beatrice
- Ben Jawat
- Benghazi
- Booker T. Washington High School in Memphis
- Brazil
- Brega
- Britain
- Bryan Denton/The New York Times
- Cairo
- Calama
- California
- Cambridge
- Canterbury
- Captured
- Cathedral Church of St. John
- Catholic Church
- cement plants
- Chicago
- child miners
- Chile
- Chris Hondros
- Chris Hondros
- Christchurch
- Cleveland State University in Cleveland
- Clive Rose
- coal mining towns
- Colorado
- Congress
- Dan Kitwood
- Dan Vardamis
- Daniel Berehulak
- David Ferrer
- David Guttenfelder
- David McNew
- Dean Mouhtaropoulos
- Domain Tennis Centre
- Doug Mills/The New York Times
- Ed Ou/The New York Times
- Edinburgh
- Egypt
- Elstorf
- Equine Centre
- Europe
- fatty proteins
- Festival of colors
- Flavia Pennetta
- Frank
- Fred R. Conrad/The New York Times
- Garmisch-Partenkirchen
- Gea/The New York Times
- Germany
- Getty Images
- Getty Images
- Ghana
- Glasgow
- Great Britain
- Gregory Shamus
- Guastavino Company
- Hanah Yaa Appiah
- Harles
- Heads of state
- Hizb ut-Tahrir
- Hobart
- Hosni Mubarak
- Hosni Mubarak
- Impulse
- India
- Isaac Brekken
- Italy
- Jaintia Hills
- Jaintia Hills
- Jaintia Hills
- Japan
- Jeff J Mitchell
- Jentsch
- Jinan Hussein Jweil
- Joao Pina/The New York Times
- John Moore
- Juan Pedrero Garcia
- Jujuy
- Julian Finney
- Justin Sullivan
- Kabul
- Kandahar
- Katie Orlinsky
- Kelly James
- Kofi Sylvester Dwemoh
- Kunduz Province
- Kyrgyzstan
- Lance Sergeant Matthew Else
- Las Vegas
- Latyrke
- Lee Mason
- Libya
- Libya
- Libyan government
- Lindsay Lohan
- London
- Los Angeles
- Loveland
- Majid Saeedi
- Manama
- Mansoura
- Marc Piscotty
- Mario Tama
- Mark Baker
- Marry Me
- Matthew Lloyd
- Meghalaya
- Melbourne
- Mewelde Moore
- Michael Appleton/The New York Times
- Michael Katsidis
- Middle East
- Misrata
- Misrata April
- Misurata
- Mitsubishi
- Miyagi
- Miyagi
- Muammar al-Gaddafi
- Muammar Gaddafi
- Muammar Gaddafi April
- Natacha Pisarenko
- National Aeronautics and Space Administration
- natural gas facility burns
- Nederland
- Neena Sasaki
- Nepal
- New York
- New York
- New York City
- New York Jets
- New Zealand
- Newmarket
- Newmarket Equine Hospital
- Nicky Perry
- Nigeria
- Ohio
- Osama bin Laden
- Pakistan
- Paul Wright
- Paula Bronstein
- Pennsylvania
- Perton
- Peter Fill
- Peter Macdiarmid
- Pittsburgh
- Pittsburgh Steelers
- Politics
- primitive tools
- Ras Lanuf
- river Thames
- Riyadh
- Robert Guerrero
- RPG
- safety equipment
- Samantha Stosur
- San Francisco
- Saudi Arabia
- Scotland
- Scott Barbour
- Sendai
- Shyam Rai
- Sitra
- Spain
- Spring Festival
- Staten Island
- Stock photography
- Taliban
- Tennessee
- the New York Times
- the 2011 Australian Open
- The Human Condition
- Tunis
- Tunisia
- United Kingdom
- United States
- Valentine's Day
- Valentine's Day
- Venice
- Vrindavan
- Warrick Page/The New York Times
- Washington
- Washington, DC
- Watertown
- White House
- William
- Willie Kennedy
- Windsor
- Wolverhampton
- Youssef Haddad