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Example code of green-elephpant/carbon-aware

Informations about the package carbon-aware

Green ElePHPant - CarbonAware

The Green ElePHPant wants to help you to reduce the carbon emissions of your software.

One way of doing so is to utilize energy when it is the "greenest" - i.e., when it most of it comes from renewable energies rather burning fossil fuels.

GreenElephpant\CarbonAware is a simple wrapper for APIs that provide information about the current or future carbon intensity at many regions worldwide. Currently, we support CO2Signal and Electricity Maps. Hopefully more to come!

Key concept

Building carbon aware applications means that certain activities or jobs will not, or at least in lower frequency, be carried out if the carbon intensity is too high.

For example, if the carbon intensity is low, we can update a dashboard more often than if it is not:

Installation

Simply use composer to add GreenElephpant\CarbonAware to your project:

composer require green-elephpant/carbon-aware

Configuration

GreenElephpant\CarbonAware was designed to require as few external dependencies as possible so that it can fit in almost every project. It uses several PSR for e.g. HTTP messages (PSR-17) and clients (PSR-18), so it won't work out of the box but require a bit (but not a lot) of hand wiring.

Internals

GreenElephpant\CarbonAware uses 3rd party APIs to receive carbon intensity data. To ensure future-proof and easy maintenance,

All versions of carbon-aware with dependencies

PHP Build Version
Package Version
Requires php Version >=7.4
psr/http-client Version ^1.0
psr/http-factory Version ^1.0
psr/simple-cache Version ^1.0
ext-json Version *
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