diff --git a/DESCRIPTION b/DESCRIPTION
index d79b40e..a539de5 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -19,15 +19,17 @@ Imports:
     dplyr (>= 1.0.6),
     magrittr (>= 2.0.1),
     stars (>= 0.5),
-    rlang (>= 1.0)
+    rlang (>= 1.0),
 Depends: 
     R (>= 2.10)
 Suggests: 
     knitr,
     rmarkdown,
     testthat (>= 3.0.0)
+    withr (>= 2.5.1)
 Config/testthat/edition: 3
 VignetteBuilder: knitr
 URL: https://github.com/icra/ediblecity,
     https://icra.github.io/ediblecity/
 BugReports: https://github.com/icra/ediblecity/issues
+Config/potools/style: explicit
diff --git a/R/edible_utils.R b/R/edible_utils.R
index be17c5f..3713fa4 100644
--- a/R/edible_utils.R
+++ b/R/edible_utils.R
@@ -1,4 +1,4 @@
 check_sf <- function(x){
   #check if x is a sf object
-  if (all(class(x) != "sf")) rlang::abort("x must be an `sf` object")
+  if (all(class(x) != "sf")) rlang::abort(tr_("x must be an `sf` object"))
 }
diff --git a/R/indicator_NO2.R b/R/indicator_NO2.R
index a4858fb..a5041a4 100644
--- a/R/indicator_NO2.R
+++ b/R/indicator_NO2.R
@@ -46,7 +46,7 @@ no2_seq <- function(x,
   }
 
   if(!(all(c("land_uses", "no2_seq1", "no2_seq2") %in% colnames(green_df))))
-    rlang::abort("green_df must contain the columns 'land_uses', 'no2_seq1' & 'no2_seq2'. See ?no2_seq for details")
+    rlang::abort(tr_("green_df must contain the columns 'land_uses', 'no2_seq1' & 'no2_seq2'. See ?no2_seq for details"))
 
   x_f <- x %>% filter(land_use %in% green_df$land_uses)
 
diff --git a/R/indicator_food.R b/R/indicator_food.R
index cc2be73..e23ec9b 100644
--- a/R/indicator_food.R
+++ b/R/indicator_food.R
@@ -53,7 +53,7 @@ food_production <- function(x,
       dplyr::select(land_uses, food1, food2)
   } else {
     if (!all(c("land_uses", "food1", "food2") %in% colnames(edible_df)))
-      rlang::abort("edible_df must have the columns 'land_uses', 'food1' and 'food2'. See `?food_production` for details.")
+      rlang::abort(tr_("edible_df must have the columns 'land_uses', 'food1' and 'food2'. See `?food_production` for details."))
   }
 
   #filter x based on edible
diff --git a/R/indicator_green_capita.R b/R/indicator_green_capita.R
index 7a7beb6..2a3b51d 100644
--- a/R/indicator_green_capita.R
+++ b/R/indicator_green_capita.R
@@ -65,8 +65,8 @@ green_capita <- function(
 
   check_sf(x)
 
-  if(all(is.null(inh_col), is.null(inhabitants))) rlang::abort("'inhabitants' or 'inh_col' must be provided.")
-  if(!is.null(inh_col) && is.null(name_col)) rlang::abort("'name_col' must be provided along with 'inh_col'")
+  if(all(is.null(inh_col), is.null(inhabitants))) rlang::abort(tr_("'inhabitants' or 'inh_col' must be provided."))
+  if(!is.null(inh_col) && is.null(name_col)) rlang::abort(tr_("'name_col' must be provided along with 'inh_col'"))
 
   if (is.null(green_categories)){
 
diff --git a/R/indicator_green_distance.R b/R/indicator_green_distance.R
index 05bad74..d1ca577 100644
--- a/R/indicator_green_distance.R
+++ b/R/indicator_green_distance.R
@@ -61,12 +61,12 @@ green_distance <- function(x,
   green_areas <- green_areas %>%
     dplyr::filter(area >= min_area)
 
-  if(nrow(green_areas) == 0) rlang::warn("No public green areas larger than 'min_area' in 'x'. Returning 'NAs'")
+  if(nrow(green_areas) == 0) rlang::warn(tr_("No public green areas larger than 'min_area' in 'x'. Returning 'NAs'"))
 
   houses <- x %>%
     dplyr::filter(!!as.symbol(residence_col) %in% residences)
 
-  if(nrow(houses) == 0) rlang::abort("No residences found in 'x'")
+  if(nrow(houses) == 0) rlang::abort(tr_("No residences found in 'x'"))
 
   nearest <- sf::st_nearest_feature(houses,green_areas)
   distance <- sf::st_distance(houses, green_areas[nearest,], by_element = TRUE)
diff --git a/R/indicator_heat_island.R b/R/indicator_heat_island.R
index 3e477e9..4276832 100644
--- a/R/indicator_heat_island.R
+++ b/R/indicator_heat_island.R
@@ -49,7 +49,7 @@ UHI <- function(
   . <- NULL
 
   check_sf(x)
-  if (!("stars" %in% class(SVF))) rlang::abort("SVF must be an object of class 'stars'")
+  if (!("stars" %in% class(SVF))) rlang::abort(tr_("SVF must be an object of class 'stars'"))
 
   city_land_uses <- city_land_uses %>%
     mutate(pGreen = ifelse(!is.na(pGreen),
@@ -71,7 +71,7 @@ UHI <- function(
 
   # Reproject SVF if necessary
   if(sf::st_crs(x_rast) != sf::st_crs(SVF)){
-    warning("Reprojecting SVF to ", sf::st_crs(x_rast)[[1]])
+    rlang::warn(tr_("Reprojecting SVF to ", sf::st_crs(x_rast)[[1]]))
     SVF <- sf::st_transform(SVF, sf::st_crs(x_rast))
     }
 
diff --git a/R/set_scenario.R b/R/set_scenario.R
index 0329acf..7232f96 100644
--- a/R/set_scenario.R
+++ b/R/set_scenario.R
@@ -69,7 +69,7 @@ set_scenario <- function(x,
   check_sf(x)
 
   #check if land_use col exists
-  if (!("land_use" %in% colnames(x))) rlang::abort("x needs a column called land_use, see ?set_scenario for more detail")
+  if (!("land_use" %in% colnames(x))) rlang::abort(tr_("x needs a column called land_use, see ?set_scenario for more detail"))
 
   #if area_field is null, calculates de area of each feature
   if (is.null(area_field)) {
diff --git a/R/set_scenario_rationale.R b/R/set_scenario_rationale.R
index a141c3c..a3cdbc1 100644
--- a/R/set_scenario_rationale.R
+++ b/R/set_scenario_rationale.R
@@ -40,7 +40,7 @@ set_scenario_rationale <- function(x,
       x$land_use[gardens_index] <- city_land_uses$land_uses[city_land_uses$location == "garden"]
 
       if (nGardens*pGardens >= length(gardens_index)){
-        warning(paste("Only", length(gardens_index), "private gardens out of", nGardens*pGardens, "assumed satisfy the 'min_area_garden'\n"))
+        rlang::warn(tr_(paste("Only", length(gardens_index), "private gardens out of", nGardens*pGardens, "assumed satisfy the 'min_area_garden'\n")))
       }
 
     } else if (pGardens < 1){
@@ -72,7 +72,7 @@ set_scenario_rationale <- function(x,
 
 
     if (length(vacant_index) < nVacant*pVacant){
-      warning(paste("Only", length(vacant_index), "vacant plots out of", nVacant*pVacant, "assumed satisfy the 'min_area_vacant'\n"))
+      rlang::warn(tr_(paste("Only", length(vacant_index), "vacant plots out of", nVacant*pVacant, "assumed satisfy the 'min_area_vacant'\n")))
       nVacant <- length(vacant_index)
 
     } else {
@@ -120,7 +120,7 @@ set_scenario_rationale <- function(x,
     hydroponic_rooftop <- city_land_uses$land_uses[city_land_uses$jobs & city_land_uses$location == 'rooftop']
 
     if (length(rooftop_index) < nRooftop*pRooftop){
-      warning(paste("Only", length(rooftop_index), "rooftops out of", nRooftop*pRooftop, "assumed satisfy the 'min_area_rooftop'\n"))
+      rlang::warn(tr_(paste("Only", length(rooftop_index), "rooftops out of", nRooftop*pRooftop, "assumed satisfy the 'min_area_rooftop'\n")))
       nRooftop <- length(rooftop_index)
 
     } else {
diff --git a/R/utils-potools.R b/R/utils-potools.R
new file mode 100644
index 0000000..9169cb9
--- /dev/null
+++ b/R/utils-potools.R
@@ -0,0 +1,3 @@
+tr_ <- function(...){
+  enc2utf8(gettext(paste0(...), domain = "R-pkg"))
+}
diff --git a/data/SVF.rda b/data/SVF.rda
index 3daff78..22b4da7 100644
Binary files a/data/SVF.rda and b/data/SVF.rda differ
diff --git a/tests/testthat/test-indicator_heat_island.R b/tests/testthat/test-indicator_heat_island.R
index ddadc74..624caaa 100644
--- a/tests/testthat/test-indicator_heat_island.R
+++ b/tests/testthat/test-indicator_heat_island.R
@@ -1,3 +1,5 @@
+withr::local_envvar(new = c("GTIFF_SRS_SOURCE" = "ESPG"))
+
 test_that("when return_raster an verbose are False, it returns a summary", {
   UHI(city_example, SVF) %>%
     expect_s3_class("summaryDefault")
diff --git a/vignettes/ediblecity.Rmd b/vignettes/ediblecity.Rmd
index 109029a..6646633 100644
--- a/vignettes/ediblecity.Rmd
+++ b/vignettes/ediblecity.Rmd
@@ -50,11 +50,13 @@ Likewise, all the parameters used by the indicators are defined in `city_land_us
 The urban heat island indicator can return a summary of values or a `stars` object. It needs a raster representing the Sky view factor. See `?UHI` for more details. We use the `SVF` object provided with the package.
 
 ```{r}
+withr::local_envvar(new = c("GTIFF_SRS_SOURCE" = "ESPG")) # To avoid CRS warning
 UHI(scenario, SVF)
 
 ```
 
 ```{r}
+withr::local_envvar(new = c("GTIFF_SRS_SOURCE" = "ESPG")) # To avoid CRS warning
 plot(UHI(scenario, SVF, return_raster = TRUE))
 
 ```