Baby Girl Snuggling with Her Mom and Looking at the Camera

Man Cracking an Egg into an Iron Skillet on an Outdoor Fire Pit

Woman Sitting on a Beach and Taking a Picture with Her Cell Phone

Hands of a Woman Taking Picture of Her Meal with a Smartphone

Hands of a Man Pulling a Radish from a Garden Bed

Man Assembling a Baby Crib in a Children's Room

Close-Up of Feet of a Boy Sitting on a Tree Branch

Man Selecting a Workout Setting on a Treadmill in a Gym

Two Little Brothers Looking at a Cell Phone on a Sofa

Smiling Pregnant Woman Sitting on a Rock on a Beach

Overhead View of a Handyman Cutting a Wooden Board with a Miter Saw

Young Athletic Woman Practicing Yoga by the Ocean

Woman Filling a Bottle with Pure Water from a Mountain Creek

Man Cutting an Onion on a Wooden Board in a Kitchen

Man Braising Sausages on a Barbecue Grill with a Brush

Woman Loading a Shopping Bag with Groceries in a Car Trunk

Joyful Woman with Climbing Shoes Hiking on a Desert Trail

Low Section of an Athletic Woman Running on a Trail

Steps Leading up in a Misty Coastal Forest

Rear View of a Woman in a Car with Hair Blowing in Wind

Young Athletic Woman Running on a Trail During Sunset

Woman in a Beanie Taking a Picture of Mountains with a Smartphone

Woman Sitting on a Rock and Putting on Climbing Shoes

Directly-from-Above View of Fruit Scraps in a Kitchen Sink

Straight-Up View of Skiers Going up on a Ski Lift

Woman Standing on a Railway Platform and Making a Phone Call

Woman Locking a Bicycle on a City Bridge

Woman Practicing Yoga and Enjoying an Ocean View

Young Woman Walking on a Beach Towards the Ocean

Two Surfers Heading out for a Surf Session

Young Woman Carrying a Surfboard to a Beach

A Cleanup Volunteer Picking up a Plastic Bottle

Young Girl Drawing on a Pumpkin During Halloween

Young Woman in Casual Clothing Working on a Laptop from Home

Close-Up of a Creek Running Through a Sparse Forest Terrain

Blurred People Walking to an Escalator in a Shopping Mall

Daughter Helping Her Mom with Food Preparation in a Kitchen

From-Above View of Books on Shelves in a Library

Spinach Field with Farm Harvesting Machinery in the Distance

Children Riding High up on a Swing Ride at a County Fair

Female Backpacker Hiking Through an Alpine Meadow with Blooming Wild Flowers

Traveler with a Luggage Walking on to an Escalator at an Airport Lobby

Out-of-Focus Abstract Colorful Bokeh Lights

Side of a Mountain Full of Organ Pipe Cacti Lit with an Afternoon Sunlight

Male Surfer with a Surfboard Standing on a Beach During Sunset

Surfer on a Shortboard After Duckdiving a Wave

Low-Angle View of a Group Snowshoeing Through a Snowy Landscape

Snowy Mountain Road with a Winding Road Sign

Night View of City Buildings with Highway Traffic Light Streaks in the Foreground

Close-Up View of Metal Door Handles on an Administrative Building

Woman Walking on a Suspension Bridge Looking Straight to Camera

Side-View of a Man Standing on a Train Platform and Checking His Phone

High-Angle View of a Woman Standing on a Platform Checking Her Phone

Downhill Skier in an Orange Outfit Going Through Fresh Powder

Woman Carrying a Snowboard at a Parking Lot of a Ski Resort

Silhouette of a Photographer Standing on Rocks During a Sunrise

Purple and Orange Defocused Lights

Desert Hiking Trail with Mount Whitney in the Background

Star Ornament with Other Christmas Decorations on a Wooden Table

Woman Reaching for Snowboarding Gear in the Trunk of an SUV

Sand Beach Walk with Power Plant Chimneys in the Background

Sand Beach Walk with Power Plant Chimneys in the Background

environmentalism

environmental issues

Desert Hiking Trail with Mount Whitney in the Background

Ground-Level View of a Frost-Covered Grass with a Blue Sky in the Background

Female Backpacker Hiking Through an Alpine Meadow with Blooming Wild Flowers

Little Joyful Girl Running on a Trail Through Tall Grass

Rear View of a Little Girl Walking on a Trail Through Tall Grass

Winding Trail with a Lone Hiker in the Background

Detailed View of Blades of Green Grass

Sunrise in the Desert with High Mountains in the Background

Winter Frost on Tree Branches Against Blue Sky

Ground-Level View of a Green Grass with Morning Dew on Its Blades

Sunrise in the Desert with High Mountains in the Background

Beach Wild Grasses Illuminated by the Morning Sun

Mountain Biker Riding on a Singletrack Trail Through Tall Grass

Mountain Biker Riding on a Singletrack Trail

Brick Path in a Desert with Cacti and a Dramatic Stormy Sky

Detailed View of a Tree Branch with a Morning Frost Against Blue Sky

Low-Angle View of a Female Hiker on a Trail in the Desert

Man Riding a Mountain Bike on a Narrow Trail

Steps Leading up in a Misty Coastal Forest

View of Hills with Morning Mist and a Blue Sky