Determine your carbon footprint with this web tool

What’s the best way to reduce climate impact of food?

Food is a big part of everyone’s carbon footprint, and it’s important to understand the impact of our personal food consumption. Individual food choices can emit as many greenhouse gases as personal electricity use. Plant-based diets generally...

Calculate your estimated yearly dose of ionizing radiation

This calculator from the EPA provides a value in millirems—the US unit for effective dose—based on a variety of exposure parameters, including the state a user lives in and travel-related sources of ionizing radiation, such as passing through screening machines.

The world's wealthiest 10% are responsible for 48% of greenhouse gas emissions

An analysis by the International Energy Agency found that in 2021, the top 1% of emitters each produced over 50 metric tons of carbon dioxide, over 1,000 times the amount produced by those in the bottom 1%. The average energy-related carbon footprint, including household heating and electricity use, was about 4.7 metric tons per person.

Search plants, butterflies, and moths native to your area

This tool from the National Wildlife Federation allows you to search by zip code for native plants, ranked by the number of butterfly and moth species that use them as host plants for their caterpillars, to help identify what you can grow to support local pollinators.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

Calculate your risk of developing cancer

Hosted by the National Cancer Institute, this tool provides interactive charts that display the likelihood of dying from various causes—including cancer—based on factors like age, sex, race, and smoking status. By contextualizing cancer risk among other potential health threats, users can create custom charts.

Watch a visualization of New York City's greenhouse gas emissions

About 1.72 tons of carbon dioxide-equivalent gases are released into the atmosphere every second in the Big Apple, enough to fill a balloon 33 feet across at standard pressure and 59 degrees Fahrenheit. After a day, the spheres would pile up into a pyramid whose base spans from the bottom of Manhattan to the south of Central Park.

Explore a college affordability and transparency guide

From the US Department of Education, this portal provides everything you need to evaluate colleges. The college scorecard provides handy data on every school, from graduation rates to annual average earnings out of school, while the net cost calculator directs you to each school's calculator that allows you to estimate the cost of college based on your unique circumstances.

There's some evidence that working from home has helped the environment

Those who work fully remote can have a 54% lower carbon footprint than on-site laborers, according to one 2023 study. For instance, the share of Americans driving to work alone decreased by about 7% between 2019 and 2022, significantly reducing vehicular emissions.

Explore next-generation geothermal projects worldwide

This tool from the Clean Air Task Force allows users to see the location of geothermal power systems to depths of 12.5 kilometers (7.8 miles), where temperatures reach about 450 degrees Celsius (842 degrees Fahrenheit), including proposed, abandoned, and in-development projects.

See how populations across the world could change in the 21st century

This tool lets you model the populations of individual countries by adjusting key demographic inputs. See how changes in birth rates, mortality, and migration affect the size and structure of future populations.

Calculate your capital gains tax bill

If mental math is not your forte, a handy tool can help you figure out what you owe at tax time. Find the purchase and sales price of an asset, your taxable income, your tax filing status, and the length of time you held said asset, and you'll get your total for Uncle Sam.

NOAA's interactive sea level rise viewer

How will rising seas affect you? Launch NOAA's sea level rise viewer and zoom in on impacts to different parts of the United States, or type in your city or address to learn more.

Energy Star certifies efficiency to help Americans save energy and cut emissions

Launched by the EPA in 1992, the Energy Star program identifies appliances, buildings, and electronics that meet high efficiency standards. It has helped consumers save over $500B in energy costs and prevent 4 billion metric tons of greenhouse gas emissions.

Are you burned out? Take this quiz

Have you ever wondered if what you’re experiencing is burnout, or just stress? This Psychology Today quiz may help you decide if you need to explore more mental health resources. You don’t have to create an account to take the quiz. Simply answer the questions and provide your ZIP code.

A dashboard showing real-time electricity usage in the US

The United States demands for electricity are enormous, with hundreds of thousands of megawatt hours required to run households and businesses every hour. You can track the fluctuations of US electric use with this dashboard.

What's your ACE score, and what does that mean for your health?

An ACE score is a way of measuring adverse childhood experiences, which can negatively impact health outcomes. Take this quiz to determine your score and what that means for your health. The Centers for Disease Control and Prevention and Kaiser...

A wedding cost calculator

Want to know how much your wedding will cost? Simply enter your wedding date, location, and a few more details about your wedding plans, and this tool will spit out an estimate for how much it will all cost—with details on how each estimate was figured, from a wedding dress or tux to ordering the cake. If you're planning a wedding soon (or just dreaming about planning one), explore this wedding cost generator.

Explore how far you've traveled through space while living on Earth

Using the "Cosmic Odometer," users can enter their birthday and learn how far they have moved through space due to the combined effects of Earth's rotation around its axis, the planet's orbit around the sun, the solar system's trajectory through the Milky Way, and the galaxy's motion through the universe.

The carbon footprint of manufacturing a wind turbine is offset within seven months

Despite initial carbon emissions during manufacturing, wind turbines generate nearly zero pollution across their 20- to 25-year lifetimes. Offsets occur when turbines replace energy generation from coal and natural gas plants, which emit carbon dioxide.

The typical US household could lower its household costs by 6.4% by using coupons

The study looked at coupons for food, household items, entertainment, and clothing, as well as other expected expenses. The grocery store category offered the largest amount of savings at around $316 annually.

A map of extreme weather events and their links to climate change

To track how the evidence on this fast-moving topic is stacking up, Carbon Brief has mapped every extreme-weather attribution study published to date. Read more about the findings from the comprehensive analysis.

Explore a worldwide ranking of smart cities

This interactive site evaluates residents' perceptions of the infrastructure and technologies available to them across 146 cities to produce a ranking based on a Smart City Index. Users can utilize the City Comparison feature to compare their city with others around the world.

Living wage calculator

Some people who work low-wage jobs don't make enough money to pay for the cost of basic needs (like housing or child care) in their area of the country. Curious to see whether or not you make what's considered a "living wage" for your city or state? To find out, plug your locale into this Living Wage Calculator.

Coachella produces around 107 tons of waste per day

Coachella requires a massive infrastructure that powers its soundboards, lighting rigs, dressing rooms, bathrooms, restaurants, and more, creating a significant carbon footprint.

Use the MyPlate widget to create your own meal plan

Enter your gender, age, weight, height, and activity level into the USDA's MyPlate widget for a personalized meal plan designed to be easy to understand. After viewing about how many calories are recommended to maintain your current weight, users...

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

Explore an interactive map built from more than 100,000 survey responses on where people find joy in their lives

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

When you complete a CAPTCHA on a website to prove you are human, you may be unknowingly training algorithms for self-driving cars, whose systems require training data to help identify crosswalks, bicycles, and other outdoor objects.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

An investigation suggests a Scottish island became awash in forever chemicals via seafoam and seaspray—raising questions about what that means for the safety of other coastal areas.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

See how each of the more than two million known species relates to each other—and to common ancestors—in this zoomable tree of life.

Scientists testing how climate change affects plants found, in a years-long simulation study, that poison ivy grew 70% faster with the resulting extra carbon dioxide.

Massive 3D printers have been used to build homes by stacking layers of 'concrete toothpaste,' a fire-resistant material that effectively insulates against outside noise.

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

The use of fungi to detoxify land and water—a process known as mycoremediation—has been used to clean up natural resources affected by the 2025 California wildfires.

After NASA's Voyager 1 captured Earth as a single pixel as it left the solar system in 1990, astronomer Carl Sagan used the image to reflect on humanity's fragility and the responsibility to protect 'the only world we've ever known.'

Louisiana's 'Cancer Alley' is infamous for having some of the highest industrial pollution, toxic air emissions, and cancer risks in the US.

Some renewable energy sources may weaken the resiliency of electric grids by removing outage buffers provided by coal- and natural gas-fired plants, which provide the system with more time to find a new power source if a plant goes down.

How Amazon operates a 'flywheel' business model, a self-reinforcing cycle that drives continuous growth

See how fireworks are made and learn how metals like magnesium and copper are responsible for different colors.

About 12.5% of US adults experience a phobia in their lifetime, a diagnosis that hinges on the intense fear interfering with daily life and persisting for at least six months.

Watch the cumbersome, but necessary, precautions healthcare workers must take to care for and protect themselves while caring for Ebola patients.

Take a 3D tour of the Hajj, Islam's annual pilgrimage to Mecca, undertaken by more than 1.5 million Muslims each year.

To reduce wrinkles in clothing, research recommends gentle wash cycles with more water and tumble drying with smaller loads and longer times.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.