- - gas round area of land
- - The earth has a layer of it; three oxygen atoms
- - Blue gas, a form of oxygen
- - gas made up of three molecules of oxygen
- - Earth's upper layer of protection
- - It's part of the atmosphere when Australia takes on England's top side
- - Form of oxygen used as a disinfectant
- - Layer of the Earth's stratosphere
- - Vital part of the stratosphere's protective layer
- - toxic form of oxygen
- - ... layer, upper region of the atmosphere
- - Form of oxygen in our atmosphere
- - Molecule comprising three atoms of oxygen
- - No district has fresh air, though there's a layer of it up high
- - Gas region to the south of Ohio
- - ... layer (part of the stratosphere)
- - triatomic allotrope of oxygen that can absorb solar ultraviolet radiation
- - Designated area of atmospheric gas
- - Depleted layer of the atmosphere
- - Over one ounce of oxygen
- - atmospheric layer of climatic importance
- - Makeup of a holey layer
- - thinning layer of the atmosphere
- - Kind of hole or layer
- - One of the greenhouse gases
- - Contents of a sensitive layer
- - Atmospheric layer of note
- - Allotrope of oxygen
- - Triatomic form of element #8
- - Subject of environmentalist study
- - Stratospheric layer of gas — invigorating sea air
- - Site of a worrisome hole
- - Part of the stratosphere
- - Part of the atmosphere depleted by CFCs
- - Layer of concern
- - Kind of layer protecting the earth
- - Important type of layer
- - Important layer of the atmosphere
- - Form of oxygen, O3
- - Form of oxygen with a sharp odor
- - Composition of an endangered layer
- - Atmospheric shield
- - Fresh invigorating air as found at seaside
- - it's a gas, with no defined region
- - Atmospheric layer, Australia needing one
- - australia has unit supplying material for protective layer
- - molecule that helps absorb uv radiation from the sun
- - Gas ring connected to area
- - Oxygen belt forming a layer in the atmosphere
- - Toxic gas with three oxygen atoms in its molecule
- - circle over the area, oxygen needed
- - gas coming from initially overgrown area
- - gas in a protective atmospheric layer
- - Invigorating air
- - Old Zulu one producing gas
- - Gas — over one ounce
- - Old cardinal inhaling unknown gas
- - atmospheric oxygen layer
- - colourless gas formed by an electric discharge in oxygen
- - smog element
- - it's a gas - the wizard's land has one
- - Earth's UV-absorbing layer
- - No area for gas
- - one ounce at first is bracing
- - Layer way up high
- - Its chemical formula is O3
- - Ring precinct for gas
- - word with hole or layer
- - Gas that in the atmosphere filters ultraviolet radiation
- - Protective gas in the upper atmosphere
- - ring area supplying gas
- - Australia has a certain invigorating air
- - colourless gas with a chlorine-like odour used in bleaching
- - Some bozo needing gas
- - elementarily, it is a sun screen
- - Depleting in the sky
- - global defense?
- - Atmospheric layer with holes
- - UV-absorbing layer
- - gas layer in the stratosphere
- - Atmospheric layer with a "hole" above Antarctica
- - ...-friendly (ecolabel)
- - ... layer (atmospheric layer penetrated by UV rays)
- - Atmospheric layer that absorbs the sun's UV rays
- - Wonderland figure refreshing air?
- - Atmospheric layer that protects us from the Sun's ultraviolet radiation
- - gas that's 1 ounce at the beginning
- - Globe coverer
- - atmospheric layer with a hole
- - ...... layer (protective shell around the earth)
- - Unstable gas, O3
- - ... layer (protective shell over the earth)
- - Sea air adds a little weight to one
- - What braces a person supporting the Socceroos?
- - ring on a girdle - it's good to breathe in!
- - It protects everybody
- - Fresh air
- - Important layer
- - Ultraviolet ray absorber
- - Stratosphere substance
- - Pure air
- - Oxygen variety
- - Damaged layer
- - Atmosphere layer
- - Refreshing air
- - Layer with a hole in it
- - Imperiled layer
- - Fragile atmosphere layer
- - UV ray absorber
- - Ultraviolet light filter
- - Thunderstorm byproduct
- - Greenhouse gas
- - Endangered atmosphere layer
- - Clear air
- - Triatomic molecule
- - Sensitive layer
- - Ray blocker
- - Much-discussed layer
- - Eco-worry
- - Earth protector
- - Depleted layer
- - Certain atmospheric layer
- - Bluish gas
- - Atmospheric layer with a "hole" in it
- - Atmospheric concern
- - Ace Frehley song about a layer?
- - A layer with a hole
- - ...... layer (upper atmosphere part)
- - What CFC's deplete
- - Water sterilizer
- - UV ray blocker
- - UV light blocker
- - UV filterer
- - Ultraviolet rays absorber
- - Ultraviolet radiation absorber
- - Trioxygen molecule
- - Triatomic pollutant
- - Triatomic oxygen
- - Triatomic greenhouse gas
- - Triatomic gas in a thinning layer ... and, symbolically, what appears in this puzzle's four longest answers
- - Thunderstorm residue
- - Threatened layer
- - Threatened atmosphere layer
- - The hole matter?
- - Swimming-pool sanitizer
- - Stratosphere layer
- - Stratosphere gas
- - Spa sanitizer
- - Radiation-reducing layer
- - Radiation reducer
- - Protection around the world?
- - Photochemical smog component
- - Oxygen allotrope
- - Odorous oxygen
- - Molecule in the stratosphere
- - Molecule also called trioxygen
- - Low-level pollution or high-level protection
- - Layer with holes
- - Layer with a problematic hole
- - Layer with "holes" in it
- - Layer to worry about
- - Layer to be concerned about
- - Layer that filters out UV rays
- - Layer that absorbs ultraviolet rays
- - Layer mentioned in "An Inconvenient Truth"
- - Layer in the stratosphere
- - Layer in the atmosphere
- - Layer in global warming discussions
- - Layer discussed in "An Inconvenient Truth"
- - Jeopardized atmospheric layer
- - It covers the globe
- - Important celestial layer
- - Holey layer
- - Hole site
- - Gas with a penetrating odor
- - Gas whose name means "smell" in Greek
- - Gas that both protects and pollutes
- - Gas forming screen against ultraviolet radiation in the stratosphere
- - Gas forming protective layer
- - Gas formed from oxygen
- - Fresh bracing air
- - Fresh air, slangily
- - Fragile layer
- - Electrical storm byproduct
- - Earth's ...... layer
- - Dwindling gas in the stratosphere
- - Dog days pollutant
- - Diminishing layer
- - Delicate layer
- - Colourless gas, O3
- - Clear, fresh air
- - Certain atmospheric gas
- - Bracing air
- - Blue gas in the greenhouse effect
- - Blue gas
- - Aura pura
- - Atmospheric layer that has a problematic "hole"
- - Atmospheric layer that absorbs UV rays
- - Atmospheric gas shielding us from ultraviolet radiation
- - Atmosphere protector
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