psychomub said..




As the video I posted pointed out, the lowest global temperatures in the last 8000+ years were in the late 1800s.

It would be very surprising if the planet hadn't warmed up from that point. It was overdue.

D3 said..




Unfortunately plant germination, growth and breeding are impacted by a wide variety of factors impacted by climate change.

Ask any broad acre farmer about the impact of poorly timed storms on seeding, seed exposure and seedling emergence.

Heat can impact many plants normal growth and breeding cycles, check out Tassie at the moment: it's like they thinks it's spring already and are at risk of frosts etc ruining fruit and seed production for a year.

Changes in geographic range due to temperature change can result in poorer growth and production due to incorrect day length.

And so on. CO2 is vital for plant growth (it's their only source of carbon), but unfortunately many of our production systems won't adapt as fast as we'd like, leaving our food supply at greater risk rather than in prime position

D3 said..




Out of interest, what were the highest global temperatures in the last 8000+ years?

Also why 8000, and not a nice round 10,000? :)

psychomub said.. For most of the last 8000+ years, the average global temperatures were about 2? warmer than it is now...
And the world didn't end.

psychomub said..

As the video I posted pointed out, the lowest global temperatures in the last 8000+ years were in the late 1800s.

It would be very surprising if the planet hadn't warmed up from that point. It was overdue.

Rango said.

And crop yields just keep going up on less land.

decrepit said..

Nobody said the world would end, just that there's going to be a lot of inconvenience and heartache.

From "The Conversation"
Climate change threatens to cause 'synchronised harvest failures' across the globe, with implications for Australia's food security Douglas Bardsley, University of Adelaide Disturbing news about the potential for widespread crop failure as the climate changes should send shockwaves through governments around the world. Time to rethink global trade and food security.

remery said..




Precisely. The term "Climate Change" explains it all.

We grow crops where the climate is good for growing specific crops. If the climate changes (hotter/cooler, more rain/less rain, earlier rain/later rain), crop failure will begin.

psychomub said..

The climate changes.

It always has and always will.

The time to worry is when it doesn't change.

You alarmists seem to work on the assumption that people and nature are incapable of adapting.

psychomub said.. >> You alarmists seem to work on the assumption that people and nature are incapable of adapting.

decrepit said..




It's easy to say that, when you don't live on a low pacific Island, that is already seeing it's land disappearing.

And creating a virtual Island for when it does all go under.

People have always adapted, it's how we occupy the whole globe, and civilisation will probably survive.
But it will be put under a lot of pressure coping with fast changes.
A lot depends on how soon the action starts, after all we are still building on the seafront and in flood prone areas.
People are still using dark roofs, creating suburbs several degrees hotter than the natural enviroment.

There's not enough people around that appreciate the urgency of doing stuff, and acting on it.
I think there is a real danger of complacency, leading to last minute knee jerk reactions, that won't help much.

The trend towards dismissing science is another worry factor.

There's plenty of reasons for being alarmed, if you are only young with kids/grandkids that will end up in it.
I'm not that worried, I'm the last of my line, and probably won't be here to get inconvenienced by the changes.

remery said..







I know from your posting Jorgen Peder Steffensen's video (twice) that you hold him in high regard.

Did you also notice his quote, "We know from the sudden climate changes in the past is that these abrupt changes represent a reconfiguration of the entire atmospheric pattern. What if with the emission of greenhouse gases that we trigger a situation when this system all of a sudden goes into a feedback? If you reconfigure the transport patterns of high pressures and low pressure systems over North America, and for instance Europe, but particularly in North America and the Midwest and all of a sudden it stops to rain and it hits the Midwest in the US annually at least a massive crop failure that's going to impact the entire world."? [my emphasis]

Increased exposure of coastal cities to sea-level rise due to internal climate variabilityM. Becker, M. Karpytchev & A. Hu Nature Climate Change[/i] volume 13, pages367-374 (2023)

Abstract
Adaptation to future sea-level rise is based on projections of continuously improving climate models. These projections are accompanied by inherent uncertainties, including those due to internal climate variability (ICV). The ICV arises from complex and unpredictable interactions within and between climate-system components, rendering its impact irreducible. Although neglecting this uncertainty can lead to an underestimation of future sea-level rise, its estimation and impacts have not been fully explored. Combining the Community Earth System Model version 1 Large Ensemble experiments with power-law statistics, we show that, by 2100, if the ICV uncertainty reaches its upper limit, new sea-level-rise hotspots would appear in Southeast Asian megacities (Chennai, Kolkata, Yangon, Bangkok, Ho Chi Minh City and Manila), in western tropical Pacific Islands and the Western Indian Ocean. The better the ICV uncertainty is taken into account and correctly estimated, the more effective adaptation strategies can be elaborated with confidence and actions to follow.

decrepit said..


The trend towards dismissing science is another worry factor.

psychomub said..






Those "low Pacific islands" are atolls that are sinking/ disintegrating as part of a natural process....and there's only a handful of them in strife.

On most Pacific islands sea level rise just isn't happening.

Mobydisc said..
...
It would be interesting to see if the Sentinel Island, in the Indian Ocean, occupied by people who want nothing to do with the outside world, and thus do not have bores and pumps, is experiencing rising sea levels too. This island would be a good control to eliminate local human induced geological effects on islands in oceans.

Pcdefender said..

Incorrect for the umpteenth time.

You must be aware by now that countless scientists are having their opinion censored by the corporate media so i have no idea why you wrote the above.

Why not take one hour 18 minutes out of your preferred.TV schedule to watch The Great Global Warming Swindle?

Pcdefender said..
Water will always find its own level - meaning you cannot have a rise in one ocean and not the same rise in another ocean as they are all connected.

Can you imagine the water in your bathtub or local swimming pool higher at one end than the other lol.

Never going to happen - ever.

Rango said..




And crop yields just keep going up on less land.

Pcdefender said..
Canals with their man made locks lol.

Talk about scraping the barrel.

IanR said..
Pcdefender
If what you say is correct then high tide would be at the same time in Fremantle as it is in Albany
It is actually over an hour later

psychomub said..






Researchers have discovered that hundreds of islands appear to be growing in the Pacific Ocean, despite the threat of rising sea levels. Scientists from the University of Auckland found that some islands have grown as much as 8% in size over the last 70 years. They used satellite images and data gathered on site to discover the changes.

Research suggests some Pacific islands are getting bigger - BBC Newsround