Letter O
One-named singer who's sold 75 million albums
One-named singer with an album called "A Day Without Rain"
One-named singer with four Grammys
One-named singer with multiple Grammys
One-named singer with the 2000 hit "Only Time"
One-named singer with the hit "Orinoco Flow"
One-named vocalist
Orinico flow singer
Oscar nominee for a song in "The Lord of the Rings"
Oscar nominee for the song "May It Be"
Oscar-winning "May It Be" singer
"Orinoco Flow" singer and a video game maze runner are bringing a side dish
Organic catalyst
Organic food processor
Organic substance, a common catalyst.
Organic catalysts
Organic substances.
Occurring 40 to 55 million years ago
Of a Tertiary epoch
Of an early epoch.
One of the epochs
of, denoting, or formed in the second epoch of the Tertiary period
One not concerned with identity, say, for short
Old word for a Cenozoic period
Olympic boxing gold medalist of 1964
Orlando's Lake ___
Of a region of Asia Minor
Of an early Greek colony.
Of ancient Greeks.
Of the earliest Stone Age.
Old stone tools
ONE thousand million years
One billion years to Hubble
One billion years in ONE?
One billion years, geologically
One billion years, in astronomy
One billion years, in geologic time
One billion years, in geology
One billion years, officially
One billion years, to an astronomer
One hundred million decades
One million chiliads
One million millennia
One of four in Earth's history
One of four in the history of the world
One of several in many a star's lifetime
Oodles of time
Ostensible eternity
Over time period?
Overlong time
of years Zillions
on end Time
Of a long, long time
Organic lip balm brand
Orion made love to her
Orion's beloved
Orion's immortal lover
Orion's love
Orion's lover
Orion's lover in myth
Ovoid lip-balm brand
Oft-stubbed thing
Org. responsible for Superfund sites
Office of Air and Radiation org.
Oil Pollution Act org.
Oil spill cleanup org.
Oil spill-monitoring org.
Oil spill-researching org.
One Cleanup Program org.
Org, with a WaterSense program
Org. against pollution
Org. awarding Environmental Justice grants
Org. behind the AirNOW app
Org. charged with enforcing the Toxic Substances Control Act
Org. combating the climate crisis
Org. concerned with "forever chemicals"
Org. concerned with CFC's
Org. concerned with PCB's
Org. concerned with acid rain
Org. concerned with air
Org. concerned with air quality
Org. concerned with brownfields
Org. concerned with car emissions
Org. concerned with carbon emissions
Org. concerned with clean air
Org. concerned with cleanups
Org. concerned with climate change
Org. concerned with ecology
Org. concerned with ecosystems
Org. concerned with emissions
Org. concerned with fracking
Org. concerned with global warming
Org. concerned with greenhouse gas
Org. concerned with greenhouse gases
Org. concerned with hazardous waste
Org. concerned with mpg
Org. concerned with oil and water
Org. concerned with oil spills
Org. concerned with pesticides
Org. concerned with plastic pollution
Org. concerned with pollution
Org. concerned with recycling
Org. concerned with reducing emissions
Org. concerned with river health
Org. concerned with safe drinking water
Org. concerned with smog
Org. concerned with soil and water
Org. concerned with stacks
Org. concerned with sustainability
Org. concerned with the AQI
Org. concerned with the BP oil spill
Org. concerned with the ozone layer
Org. concerned with toxins
Org. concerned with water quality
Org. created in the wake of "Silent Spring"
Org. created the same year as the first Earth Day
Org. created under Nixon
Org. created under the Nixon administration
Org. currently led by Gina McCarthy
Org. currently led by Michael S. Regan
Org. currently run by a former coal lobbyist ($@%*!)
Org. dealing with brownfields
Org. doing atmospheric tests
Org. employing Walter Peck in "Ghostbusters"
Org. established by Nixon
Org. established by President Nixon
Org. established by a Nixon executive order
Org. established during Nixon's presidency
Org. established partly in response to Rachel Carson's "Silent Spring"
Org. fighting grime
Org. fining polluters
Org. focused on cleaning up others' acts
Org. for clean air and water
Org. formed by Nixon
Org. founded by Nixon
Org. founded in 1970
Org. founded under Nixon
Org. from which Lisa Jackson is stepping down
Org. funding clean transportation
Org. headed by Lisa Perez Jackson
Org. headed by Michael S. Regan
Org. headed by Ruckelshaus
Org. headed by Scott Pruitt until July 2018
Org. headed by W. D. Ruckelshaus
Org. in a war against grime
Org. in the film "Dark Waters"
Org. involved with massive cleanups
Org. launched by Nixon
Org. linked to from the homepage of fueleconomy.gov
Org. measuring air quality
Organization with a Green Chemistry Program
Org. monitoring CFCs
Org. monitoring air quality
Org. monitoring auto emissions
Org. monitoring brownfields
Org. monitoring emissions
Org. monitoring endangered species
Org. monitoring hazardous waste
Org. monitoring industrial wastes
Org. monitoring insecticides
Org. monitoring wetlands
Org. now busy reversing various awful emissions policies from a few years ago
Org. of waste watchers
Org. often threatened with budget cuts by the GOP
Org. once headed by Scott Pruitt, now by some other comparably repugnant boob
Org. overseeing the Superfund
Org. overseeing toxic cleanups
Org. protecting air and water
Org. publishing the Map of Radon Zones
Org. regulating PCBs
Org. regulating pesticides
Org. seeking clean skies
Org. seeking to curb climate change
Org. since Nixon's presidency
Org. targeted by the 2011 GOP budget proposal
Org. tasked with enforcing the Clean Air Act
Org. that approves disinfectants
Org. that awards Energy Star labels
Org. that awards the Energy Star label
Org. that awards the Safer Choice label
Org. that banned DDT
Org. that began the Energy Star program
Org. that cleans up oil spills
Org. that cleans up spills
Org. that conducts many studies
Org. that controls emissions
Org. that covers Springfield in a dome in "The Simpsons Movie"
Org. that created the Energy Star certification
Org. that deals with brownfields
Org. that designates Superfund sites
Org. that directed some of BP's oil cleanup efforts
Org. that does studies
Org. that domes Springfield in "The Simpsons Movie"
Org. that enforces the Clean Air Act
Org. that enforces the Toxic Substances Control Act
Org. that fines polluters
Org. that funds the National Exposure Research Laboratory
Org. that gives out Energy Star labels
Org. that launched "My MPG" in 2005
Org. that launched WaterSense in 2006
Org. that launched the Safer Detergents Stewardship Initiative
Org. that may be involved in a cleanup
Org. that might employ a climatologist
Org. that monitors air muck
Org. that monitors air quality
Org. that monitors oil spills
Org. that monitors pollutants
Org. that monitors smog
Org. that monitors water quality
Org. that monitors wetlands
Org. that oversees the Superfund
Org. that promotes Energy Star Day
Org. that promotes motor oil recycling with the slogan "You dump it, you drink it"
Org. that publishes the newsletter GoGreen!
Org. that pursues polluters
Org. that registers pesticides
Org. that regulates "forever chemicals"
Org. that regulates DDT
Org. that regulates HFCs
Org. that regulates arsenic and asbestos
Org. that regulates asbestos
Org. that regulates auto emissions
Org. that regulates emissions
Org. that regulates fertilizers
Org. that regulates hazardous waste
Org. that regulates manure
Org. that regulates pesticides
Org. that released an approved list of disinfectants in 2020
Org. that removed all mention of climate change from its website for about four years
Org. that researches ecosystems
Org. that sued Koch Industries for $30M for oil spills
Org. that takes the lead on lead?
Org. that tests the waters
Org. that tracks air quality
Org. that tracks mold
Org. that's affiliated with fueleconomy.gov
Org. that's not really a fan of this whole pollution thing
Org. to be headed by Gina McCarthy, soon
Org. trying to clear the air?
Org. using an A.Q.I.
Org. whose E stands for Environmental
Org. whose Web site features a "Your Air Quality" map
Org. whose logo features a two-leaved flower
Org. whose mission involves emissions
Org. whose resources partly go to waste?
Org. whose seal has a flower
Org. whose seal is a flower
Org. whose website has a Greener Living section
Org. with a "Greener Living" page on its website
Org. with a "Mold" section on its website
12 +1