Climate change complicates plant choices and care. Early flowering and late freezes can kill flowers like these magnolia blossoms.
Matt Kasson
The US Department of Agriculture has updated its plant hardiness zone map, which shows where various plants will grow across the country. Gardeners should take note.
Spring in Central Park, New York. April 2023.
EPA-EFE/Sarah Yenesel
Haiku poems chart flowers appearing earlier and species retreating to the margins.
Shawnwil23/Shutterstock
A new series will investigate what’s happening to nature’s calendar.
The Nairobi skyline.
Verónica Paradinas Duro / Getty Images
The winds passing over Kenya flow in waves and periodically bring hot weather, the kind that has prevailed recently across east Africa.
Apple and cherry blossom on a Spring day.
Zena Elea/Alamy Stock Photo
Rising air temperatures mean shorter winters and earlier springs.
Leap Day is coming.
Marvin Samuel Tolentino Pineda/iStock, via Getty images
Humans have synced their calendars to the sun and moon for centuries, but every so often, these systems need a little correction.
Nearby planets can affect how one planet ‘wobbles’ on its spin axis, which contributes to seasons.
Mark Garlick/Science Photo Library via Getty Images
You might hate winter, but at least you know what to expect every year. Other planets have wobbly axes that lead to wild, unpredictable seasons.
Denis Belitsky / shutterstock
Relative to the long-term average, this autumn has been even hotter than summer.
I Wei Huang/Shutterstock
Autumn is arriving later in the year – climate change is probably to blame.
Dan Himbrechts/AAP Image
We’ve had an early start to the bushfire season and there’s more to come. No wonder spring isn’t always a celebration.
A long-exposure photo reveals the Sun’s path in the sky every day for a six-month period.
Bob Fosbury / Flickr
The longest and shortest days of the year are marked by the Sun’s position in the sky – but the seasons lag behind.
Stonehenge has long been the site of some of the most famous solstice celebrations.
Chris Gorman/Getty Images News
The dead of winter, when the longest night of the year takes place, has also traditionally been celebrated as a time of renewal and reverence.
Shutterstock
It can be hard to grasp the changes climate change is bringing. To see it in your own life, look at the shifting seasons.
How did Halloween get associated with the spooky?
SolStock/Collection E+ via Getty Images
A folklorist explains how Halloween continues an ancient Celtic tradition of the celebration of the dead.
Cameron Webb/NSW Health Pathology
Mosquitoes are commonplace in summer but where do they go once the weather cools? They don’t completely disappear but find fascinating ways to survive the winter.
Changes in climate affect the timings of various points in the life cycle of plants, including when flowers bloom in spring and when leaves wither in autumn.
(Shutterstock)
Climate change is modifying the timing of recurrent life-cycle events with critical consequences on ecological and economic levels.
The future of the Canadian Football League is in doubt as it resumes play for the first time since 2019.
THE CANADIAN PRESS/John Woods
The Canadian Football League is struggling to stay alive. All options, including help from government, should be considered as part of a national conversation about its future.
Simon Maycock / Alamy
This summer is likely to be hot and dry, but that’s more down to climate change than miserable spring.
Elsie Passi
Uncle Segar is an expert on many things including the land, sea and sky. This knowledge is then captured in his artworks.
Sunset.
Shutterstock/Delcroix Romain
On the March equinox, everywhere in the world has more sunlight than darkness.