With the recent publication of the latest International Panel on Climate Change (IPCC) report one hopes that the whole world is reading and thinking about just that - climate change.  One also hopes that the contents of the report will be fed into national government policies around the planet, with lots of trickle down impacts to deliver action right at the roots of local communities.  Hope is cheap.  Action is not. Riches are unequally distributed.

The IPCC was set up in 1988 by the World Meteorological Organization and the United Nations Environment Programme.  ‘The objective of the IPCC is to provide governments at all levels with scientific information that they can use to develop climate policies. IPCC reports are also a key input into international climate change negotiations.’  (https://www.ipcc.ch/about/). 

 “It is unequivocal that human influence has warmed the atmosphere, ocean and land.
Widespread and rapid changes in the atmosphere, ocean, cryosphere and biosphere
have occurred.”

“Human-induced climate change is already affecting many weather and climate extremes
in every region across the globe. Evidence of observed changes in extremes such as
heatwaves, heavy precipitation, droughts, and tropical cyclones, and, in particular, their
attribution to human influence, has strengthened.”

“Many changes due to past and future greenhouse gas emissions are irreversible for
centuries to millennia, especially changes in the ocean, ice sheets and global sea level.”

But

“Scenarios with very low or low GHG emissions … lead within years to discernible effects on greenhouse gas and aerosol concentrations, and air quality …”

https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_SPM.pdf

Looking at the Moors, trying to think globally and act locally, it is depressing how very obvious climate extremes have become. In 2020, we had a prolonged spell of very warm and dry weather.  The wildflowers bloomed profusely and provided massed stands of vibrant colour.

This year, as noted in Blog 31 (The Darling Buds), spring was late and, apart from a brief dry spell, rain has been exceptionally plentiful. Growth has been lush and massive - huge leaves, oversized trees - and the overwhelming palette of The Moors has been very, very green.  Now, in August, as we shiver in our pullovers while drying sodden umbrellas, the greens are still the dominant hue.  Spring’s hint of white has been replaced by over-tones of yellow, blue and red, but the contrast with last year is still remarkable.

2020’s vibrant stands of tufted vetch are now battered and tired, the common agrimony and willow herbs are isolated and low key, and the latter (below right) weighed down by a flourishing growth of black bryony.

The ragwort continues to flourish but its normally ubiquitous companion, the cinnebar moth caterpillar, is notable by its absence. By this time last year the teasels had strutted their stuff and where dry and brown. This year they are only just getting to their peak.

Climate change does not necessarily mean plant extinction but may mean plant migration. At somewhere like The Moors, species which have not done well in 2021, may have a chance to return next year. Meanwhile other species, such as buddelia and water mint, have done better in the wet weather, and species which are much more unusual may appear, such as marsh woundwort (in this case, struggling with another vigorous black bryony) and chicory.

The sheer mass of growth has also changed the character of The Moors this year. Where paths are lined by trees, the canopy is thick and has already developed the dark green foliage of late summer. Shading has kept the cycle path remarkably open. Enchanters’ Nightshade has crept to enjoy the shadows and stinging nettles are thriving on the now damp areas of richer soils. Nearer the brook, and on a windy day, the vastly expanded willows do an excellent imitation of a William Morris wall paper. Between the lakes, where no tree has much of a roothold, the path is virtually hidden by the explosion of vegetation. The craft skill of last year’s hedgelaying exercise is now obliterated by substantial new growth.

Summer downpours have proved to be a heady mix at The Moors. The water levels thoughout the wetland are at winter levels, yet the vegetation is responding to summer temperatures and light levels. Although not currently flooded, the wetter areas of the cycle path are as muddy as in winter. All water bodies are full yet the eruption of vegetation growth has hidden the smaller seasonal ponds from view. Woe betide anyone who tries to take a walk through this apparent meadow of purple loosestrife, below right.

The Brook has vanished completely, except for one point where somebody has cleared a narrow track to the bank, as though checking that the stream still exists.

What will COP 26 and climate change 2022 bring?