Tag Archives: carbon

The Big Challenge: Increasing City Biodiversity

Image Credit: GuoJunjun, CC BY-SA 3.0 NO, Image Cropped

The Big Challenge Science Festival is currently in Trondheim, bringing a host of celebrities, scientists and futurists together. Their goal is to present solutions for the challenges the planet currently faces, and get people thinking about how they can adjust their lives to help the planet. While there are some big names in attendance, there are also a large number of local students and scientists working tirelessly on stands, and it’s them that I spent yesterday working alongside.

There’s some fantastic stuff on display. I was particularly impressed by the use of VR in a couple of exhibitions. One stand presented a worst case scenario for warming planet, with one of Trondheim’s most famous laneways submerged in water (although the man clinging to a floating car tire waving for assistance may somewhat disturb the kids). Nearby was another VR experience where you could shoot cars, carbon molecules and chimneys, transforming them into bikes, trees and solar panels respectively. The tent next to us had a great range of displays, presenting practical and simple options for living sustainably and also letting you snack on insects and other arthropods!

Our own stand was part of the Futurum exhibition, which postulated how Trondheim may look in 2050. It focussed on biodiversity, and how Trondheim’s wildlife will change over the next 30 years with increasing urbanisation and a warming climate. On loan from the Natural History Museum was a selection of species that could conceivably arrive in Trondheim with a 1-2 degree temperature increase. It was fun to see kids’ faces contort at the thought of a parrot being a common presence in Trondheim, but with Ring-Neck parrots already as far north as Brussels, it could happen within their lifetime.

I was pleasantly surprised at the willingness of some children to accept that new species weren’t necessarily a good thing. Most of them were entranced by the sight of a grey squirrel, but readily understood that it could mean the demise of the red squirrel and some local bird life. Likewise, I was surprised at how many parents could immediately recognise the species likely to disappear from Trondheim, and acknowledge how many more Black-Headed Gulls and Northern Lapwings they could see only twenty years ago.

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NTNU’s Tanja Petersen explains how species life the Pacific Oyster or the Grey Squirrel could be in Trondheim within 30 years (Image Credit, Øystein Kielland, CC BY 2.0)

It was also encouraging to see how many people have started to let portions of their garden grow wild in an effort to allow insects, and thus birds and mammals make their way back into urban areas. The exhibition had 2 fantastic videos compiled by Øystein Kielland focussing on the difference between a green area and a biodiverse one, and how fragmentation has devastated local plant and insect populations. So the number of adults who had already started letting areas around their house grow unchecked was encouraging. Two particular highlights were the couple who eagerly showed us the badger who had recently taken up residence in their backyard, and the girl who nodded eagerly and started telling me all about her insect hotels.

One thing I always struggle with in these situations is communicating uncertainty. Whilst it’s fun to see jaws drop at the thought of parrots in Norway, it’s difficult to communicate the ‘maybe’ factor in the amount of time it takes to engage someone in these issues. The point of the Big Challenge is to get people to act, so I hope that people walk away thinking that if they don’t start living more sustainably there could be huge species’ turnover, but I don’t want to present a worst case scenario, or talk in absolutes about issues that are very much only possibilities. So any success stories you’ve had communicating uncertainty in these scenarios would be very much welcome below!

I’ll be back at the Futurum exhibit at Krigseilerplass near the Royal Garden today. If you’re in Trondheim, I highly recommend stopping by. You can read more about the event here.

Why Australia is Approaching a ‘Climate Change’ Election

Image Credit: Tim J Keegan, CC BY-SA 2.0

This weekend, Australia will have a federal election. My country will vote, not on an individual leader, but on the party that will form government for the next 3-4 years. We’ve been led by the conservative Liberals (yes, the right-wing party are called the Liberals, it’s stupid) since 2013, and that time in Australia has not been kind to the environment. A tax on carbon was repealed almost as soon as it was implemented, prioritising large businesses has caused potentially irreversible damage to iconic ecosystems around the country, and a disregard for the potential impacts of climate change have been a trademark of the present government.

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The Shifting of Ecological Baselines

Bushfires like the ones that have ravaged Australia and California this year could become the new norm for the generation that has been born in the last decade, an example of how our perception of ecological change is defined by what has happened in our lifetime

Bushfires like the ones that have ravaged Australia and California this year, could become the new norm for the generation that has been born in the last decade, an example of how our perception of ecological change is defined by what has happened in our lifetime (Image Credit: dm4244, CC BY-SA 4.0)

It’s no secret that our world has undergone rapid changes in the last few decades. Extreme weather events are becoming almost the norm and species seem to be going extinct every minute. But as depressing as this may seem, the general doom and gloom we hear about the world on a daily basis still only represents a small percentage of the ills we’ve inflicted on our planet since we’ve been here.

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