One of the buildings at the Makers Mark Distillery in Loretto, Ky., is seen amid autumn foliage, Thursday, Nov. 6, 2014. (AP Photo/J. Scott Applewhite)
A stag stands in the sunshine surrounded by Autumn foliage in Richmond Park in London, Friday, Oct. 31, 2014. Friday is expected be the warmest Halloween on record in many parts of northern Europe. (AP Photo/Kirsty Wigglesworth)
In this Monday, Oct. 13, 2014 photo, a tourist photographs Crawford Notch in Carroll, N.H., as foliage reaches peak in New Hampshire's White Mountains. Officials say tourists will spend upwards of $1 billion to catch a glimpse of the red, yellow and orange hues on the trees, and the windfall is steadily rising as the economy regains strength. (AP Photo/Jim Cole)
Fall leaves hang on a tree on Wednesday, Oct. 9, 2013 in East Montpelier, Vt. Fall foliage is still abundant in Vermont. (AP Photo/Toby Talbot)
Autumn foliage reflects in a lake, on a warm afternoon, in Bucharest, Romania, Monday, Nov. 12, 2012.(AP Photo/Vadim Ghirda)
This Oct. 14, 2009 file photo shows peak fall foliage colors in the White Mountain National Forest in Twin Mountain, N.H. For a small state, New Hampshire offers a variety experiences for free in the fall, whether it's scenic drives, hiking, moose watching, browsing antique shops and spotting huge pumpkins. The state's tourism division started a new campaign this year, 'Live Free and ....' The fill-in-the-blank play on the state motto, 'Live Free or Die,' suggests that there many possibilities when it comes to exploring New Hampshire. (AP Photo/Jim Cole, file)
In this Sept. 12, 2012 photo, leaves have started turning colors on a tree in Craftsbury, Vt. After images of Tropical Storm Irene scared away leaf peepers last fall, tourists are heading back to see the Northeast's fall foliage a year later and aren't worried about how the dry summer might affect the color. (AP Photo/Toby Talbot)
Fallen maple leaves carpet a lawn across the street from the First Baptist Church of Kingfield, Maine, Friday, Sept. 30, 2011. As trees start showing autumn's golden, orange and red hues, nature lovers aren't the only ones taking note: Scientists are watching trees and making note of time that leave change and drop as they seek to determine climate change's impact. (AP Photo/Robert F. Bukaty)
Fall colors are seen Monday, Oct. 10, 2011 in East Montpelier, Vt. Vermont's annual foliage season is reaching its peak across the state. (AP Photo/Toby Talbot)
Amid a wash of Fall color from the surrounding trees, an Amish farmer and his team spray a field in Middlefield, Ohio on Thursday, Oct. 22, 2009. (AP Photo/Amy Sancetta)
A jogger and her dog run beneath a canopy of fall foliage along Kelly Drive in Philadelphia, Friday, Nov. 9, 2007. (AP Photo/Matt Rourke)
Maple leaves show the colors of fall in Burlington , Vt., Tuesday, Oct. 9, 2007. People around New England are asking what's up with the foliage. Hillsides usually riotous with red and orange in early October have shown those vibrant colors in spots, but less extensively than in the past. (AP Photo/Toby Talbot)
Autumn leaves float in a pond at the Japanese Garden of Portland, Ore., Tuesday, Oct. 24, 2006. The colors of fall are reaching their peak at the garden. (AP Photo/Rick Bowmer)
A squirrel handles a nut received from a child, backdropped by the fall foliage in a park in Bucharest Romania Monday Nov. 6 2006.(AP Photo/Vadim Ghirda)
A women looks out of her window framed by autumnal red-colored vine foliage, during a mild autumn day in Urfeld, southern Germany, Wednesday, Oct. 12, 2005. Meteorologists forecast colder weather for the upcoming days. (AP Photo/Christof Stache)
A leaf floats in water in Regent's Park on October 21, 2014 in London, England. Despite weather warnings issued by the Met Office for high winds and rain off the back of Hurricane Gonzalo, those predictions didn't materialise in London. (Photo by Dan Kitwood/Getty Images)
NEW YORK, NY - OCTOBER 29: An End of road sign is seen overgrown in bushes two years after Superstorm Sandy damaged much of the area on October 29, 2014 in the Graham Beach neighborhood of the Staten Island Borough of New York City. Huricane Sandy was recorded as the deadliest and most destructive hurricane of the 2012 Atlantic hurricane season. It caused over $68 billion in damages, and hundreds of people were killed along the path of the storm in seven countries. Today marks the two-year anniversary of its storm surge hitting New York City and the surrounding area which flooded streets, tunnels and subway lines and cut power in and around the city. (Photo by Andrew Burton/Getty Images)
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And if you're raking up your leaves, you are also raking up butterfly and moth pupae. Don't you want butterflies in your garden?
The post also mentions leaves make a great natural mulch and help suppress weeds.
If you do insist on keeping your yard cleaned up, the NWF recommends doing it the old-fashioned way, because leaf blowers pollute the air.
We honestly didn't need these reasons to avoid tidying up the leaves in our yards, but hey, now we can say we're doing it for the environment.