Your guide
to a cleaner,
cooler future

The Cool Down is all about making it easy to help yourself while helping the planet💡

Weekly Spotlight

💡 Modernize your home with big and small changes that will slash your energy bills

Automate your AC, lights, and more with smart home tech

427.8k participants

Transform your home's water with a next-gen heater

141.6k participants

"Show them your neighbors' setups as examples, and they'll likely give the thumbs up."

Get access to free, off-grid power with solar panels

479.8k participants

Level up your lighting with high-efficiency LED bulbs

40.8k participants

Invest in eco-friendly laundry machines and save big

35.8k participants

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If you're considering a switch to solar, then the first big decision you'll need to make is how you want to access this cheap, clean, abundant energy source.
  • TCD 101 TCD 101

These two solar energy options could save you tens of thousands of dollars — here's everything to know about making the switch

  • Home Home

New report reveals the cost of solar panels has dropped by 30% — here's how to take advantage while government incentives still exist

  • Tech Tech

Scientists develop incredible breakthrough material that could change solar panels forever — here's what's happening

  • Home Home

Energy expert reveals the key differences between owning and leasing solar panels: 'Your energy bills should be significantly reduced'

  • Business Business

This game-changing startup will help you install solar panels for no money down: 'Pay less to power your home'

  • Home Home

Energy expert reveals the standard payback period for modern solar panels — here's what you need to know


💡Explore the TCD Guide


The TCD Guide makes it easier than ever to help yourself while helping the planet.

Join us in exploring over 100 ways to save more, waste less, and improve your life — everything from upgrading your home to eating better food to making money on your old stuff.

Whatever your goals, we can help you make smart choices and connect you to trusted partners.

Explore

TCD Guide

COOL BRANDS

"One of our motivations in founding Harvest was you can't scale electrification if it's going to increase people's bills."
  • Tech Tech

Startup founder reveals the hidden technology essential for next-gen home heating and cooling: 'It's going to become a no-brainer'

Klima's technology is designed to be incredibly simple — installation should take less than a minute.
  • Business Business

Here's the device you need to save on your energy bills if you have a window or ductless air conditioner or heat pump

"We're building the infrastructure for circular fashion at scale."
  • Business Business

CEO breaks down revolution happening in secondhand shopping: 'We've witnessed a remarkable shift in mindset'

Cool Divider

LATEST STORIES

The research team hopes this sponge-like material could hit the market by 2030.
  • Tech Tech

Scientists unveil first-of-its-kind sponge-like material that could unlock next-gen energy devices: 'A significant step forward'

"Beautiful find."
  • Home Home

Shopper thrilled after finding 'gorgeous' item with $3 price tag at thrift store: 'Stunning'

"Remember when you could Google stuff and find what you were looking for?"
  • Business Business

Frustrated students vent their anger after getting bizarre result from simple Google search: 'We're doomed'

"There's like 4x as much plastic here as there is toothpaste."
  • Business Business

Hotel guest sparks outrage after sharing photo of toothpaste provided in room: 'What a waste'

"We want to foster energy transition projects."
  • Business Business

Shipping companies complete first-of-its-kind fuel test in major country — but experts warn about supply limits

"It's easier to control."
  • Home Home

Homeowner showcases dramatic results after ditching gas stove for high-tech upgrade: 'Never going back'

"The accused must be held accountable."
  • Outdoors Outdoors

Men face serious charges for exploiting natural disaster for profit: 'Criminals took advantage'

"It's really easy to fix."
  • Home Home

Home expert shares easy trick to fix leaky faucets and avoid costly repairs: 'Don't panic and call a handyman'

"[They leave] them sticking to the wall greeting you every time you walk in."
  • Home Home

Tenant horrified after catching neighbor's disturbing routine near building entrance: 'It's disgusting'

"The market is aware of ... risks and is gradually getting better at assessing them."
  • Business Business

Financial experts uncover major blind spot threatening global markets: 'Both inevitable and foreseeable'

"We have seen a constant increase, suggesting that wealth growth is the main driver."
  • Business Business

CEO sparks outrage after piling on luxury perks amid company cutbacks: 'The rationale ... is far from robust'

"Do they have to witness a tragedy to learn?"
  • Outdoors Outdoors

Tourists spark furious backlash after closing in on grizzly bear and cub for photos: 'They do not understand'

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